青チャートのAです かっこ1で証明に使わない角についてわざわz言及しているのはなぜですか

87 基本例題 接弦定理の逆の利用 00000 10の外部に接線 PA, PB を引く。 点Bを通り, PAと平行 SCOUT な直線が円0と再び交わる点をCとする。 <PAB=a とするとき, ∠BACをaを用いて表せ。 直線 AC は △PAB の外接円の接線であることを証明せよ。 指針 (1) 円の外部の1点からその円に引いた2本の接線の長さは等しいことや, 接弦定理, 平行線の同位角・錯角に注目して,∠PAB に等しい角をいくつか見つける。 (2) 接線であることの証明に、次の接弦定理の逆を利用する。 0,348 TERA 円 0 の弧 AB と半直線 AT が直線 AB に関して同じ側にあって ∠ACB=∠BAT ならば,直線ATは点Aで円0に接する (1) の結果を利用して,∠APB=∠BAC を示す。 解答 (1) PA=PBであるから ∠PAB=∠PBA=a また, PA//BC であるから ∠ABC=∠PAB=α 更に ∠ACB=∠PAB=α よって, △ABCにおいて ∠BAC=180°−2a ...... P おいて、円の CHART》 接線であることの証明 接弦定理の逆が有効 (19) A B89 使わない DETERA ∠APB=180°-2a 0円 13 p.436 基本事項 ② ...... A HA3 | 接線の長さの相等。 a NGAPDATA C onit SA SEN 09:A ART SI (2) AAPBにおいて 1⑩② から ∠APB=∠BAC THIAPATIA したがって,直線 AC は △PAB の外接円の接線である。 A4 接弦定理の逆 B 439 T > 平行線の錯角は等しい 接弦定理 PROL PA- とし、その手をとすると、名は てみよし、これから △PAB は二等辺三角形。 79-84-A4 A 章 144 円と直線、2つの円の位置関係 <DO & FR>

5番です！自分で解いてみたのですが、合っているかどうか確認していただきたいです。(12)は分かりませんでした。教えて下さい🙇‍♀️お願いします！

5 日本文と同じ意味になるように [ ]内の語句を並べ替え、[]の中で3番目と6番目にくる語句の番号を書き なさい。 (1) 私の知り合いに. 家に3度かみなりが落ちた人がいる。 I know a person't been 2. by 3. house 4 has 5. hit 6. lightning 7. whose) three times. (2) 定員がすでにいっぱいで. 希望していた講座を履修できず残念だ。 It's a pity that I (1. to 2. I 3 take can't 5. wanted 6. course the) because it's already full. (3) ABCモータース社から電気のみで動く車が発売されるという噂だ。 . a car 2. a rumor 3. on 4. runs 5 that 6. which 7. there is) electricity alone will be on sale from ABC Motors. (4) 来週大阪に1週間出張するかもしれません。 その場合は電話します。 Next week I may go on a one-week business trip to Osaka, (1. I 2 which 3. will 4. case 5. give 6. you 7 in) a call. (5) 取っておいたわずかな食糧も食べてしまった。 We've (1. little 2. eaten 3. food (6) 彼女がどんな方法でその問題を解決したかはまだ謎である。 The (1. a 2. means 3 mystery the problem 5. remains 6. she 7. by 8, which 2. solved). (7) 食べるものと病気の間には密接な関係があるといわれています。 It is said L is & close 3. eat what 5. a d we that 8. relation I there 10. between) and diseases. (8) これは,国際協力が十分に達成された. まれな事例の1つです。 This is one of (1. those 2. has been 3. international cooperation 4. full 5. occasions 6. rare 7. when) achieved. (9) 彼女は何と言えばよいのかよくわからなかった。 だから何も言わなかった。 She wasn't quite sure what to say, 〔1. anything 2. didn't 3. is 4. say 5. she 6. which 7. why) at all. (10) この2つの調査の決定的な違いは, データの取り扱い方である。 A crucial difference between these two (1. is 2. way 3. investigations 4. which 5. they 6. in 7. the) treat the data. (11) すぐれた作家になるのに必要なのはそれだけです。 That [1. all 2. be 3. is 4. takes 5. to 6. it) a good writer. (12) 君はいつも余計なおせっかいをしているんだね。 You are always [1. business 2. have 3. into 4. no 5. nose 6. places 7. putting 8. you 9. your 10. where). (13) ジャックは,大変面白いと思った本の何冊かをガールフレンドにあげた。 Jack gave his girlfriend 〔t. he & some of 3. very interesting the books 5. were 6 thought which). (14) この試合に勝った人はだれでも, そのすばらしい賞品がもらえます。 [1. be 2. wins 3. given 4. this match 5. whoever 6. will 7. the wonderful] prize. had 5. we 6. left 7 (what). 31 C e e e C C U C C C C U

脚注の問題３問の答えを教えて下さい!！

Part Q. Listen and choose the best match for the picture on the right. 1 artificial intelligence intelidy(ains/ handle(s) /htend(a)l(e) deal dud assistant fasist(a)nt/ reply pla possible (pa(:sab(a)l/ buge /hjú:ds/ knowledge /nai:)lidz/ appropriate /aproupriat/ seem (siml/ safety /sérfi! 6. this は何を指しますか。 Sakura reads about the spread of AI. 6. They は何を指しますか。 7. this は何を指しますか。 HI a great deal Al, artificial intelligence, handles in many systems today. H information. It makes decisions like humans. Al is us Voice assistant systems are one example. When y ask something, the systems give you a quick reply. is this possible? They access a huge online knowle From this, they choose appropriate word make answers. The answers created by Al often see be just for you. This is because the systems are al database. collecting data about you. AI is also used in air conditioners, robot va cleaners, car safety systems, and so on. They he lives a lot. Al seems to make everything possible. 1. a (great deal of 12. and so on 6. access の品詞と意味は? 7. database /destabers/ F-9-2 11. air conditioner léar kəndif(ə)nər) 1717 11. vacuum cleaner /vækjuam kli:nar/ 9 C A

脚注の問題３問の答えを教えて下さい!!

Part Q. Listen and choose the best match for the picture on the right. 1 artificial if(a)l/ intelligence intelids(a)ns/ handle(s) /hand(a)l(z) deal /di:l/ assistant asist(a)nt/ reply plás possible (på(:)səb(a)l/ huge /hjú:d3/ knowledge /nå(:)lidz/ appropriate /aprouprist/ seem /si:m/ safety/sérfti/ Sakura reads about the spread of AI. HI 7. this は何を指しますか。 C deal information. It makes decisions like humans. Al is use Al, artificial intelligence, handles a great in many systems today. Voice assistant systems are one example. When y ask something, the systems give you a quick reply. H is this possible? They access a huge online knowle From this, they choose appropriate words database. make answers. The answers created by AI often seen be just for you. This is because the systems are al 6. this は何を指しますか。 6. They は何を指しますか。 1. a (great deal of 12. and so on 6. access の品詞と意味は? 7. database (déttabèrs/ F-9-2 11. air conditioner léər kəndif(ə)nər/ IP 11. vacuum cleaner /vækjuǝm kli:nər/ A collecting data about you. AI is also used in air conditioners, robot va cleaners, car safety systems, and so on. They hel lives a lot. Al seems to make everything possible.

下の方にあるapply inってどういう風に解釈出来ますか？？直訳でもなんでも大丈夫です！！！お願いしやす！もしかして「当てはまる」ですか？？

and thing preventing asteroid mining right now no companies are capable of paying for such space operations currently. Aside from that, there are many questions about what laws will apply in this situation. For example, space laws state that removing from asteroid is legal but it is not legal to claim property rights in space. J.

学習院大学過去問です解答教えてください🙇‍♀️

UNIT . 14 年 ① 下線部 (1) を the process の内容がわかるように日本語に直しなさい。 北極海を覆う氷の減少をはっきりと見て取ることができる。 ② 下線部 (2)の内容を具体的に日本語で説明しなさい。 ③ 以下の文は, 下線部 (3) のフィードバックループの例をわかりやすく説明したものである。 空欄 (A)~(E)に以下の ① ② ③ から適切なものをそれぞれ選びなさい。 ★ 氷よりも暗い色をした海水が ( A ) ことによってさらに多くの (B )ことになる。 これ によってより多くの (C) ことになり、 それが (D) ことによってさらに多くの(E) ことになる。 ①氷を溶かす ②熱を吸収する ③ 海水が露出する A[②] B[①] C[③] ④下線部 (4) の they と done が具体的に表すことを明らかにして日本語に直しなさい。★ D[②] E[①] ⑤ 下線部 (5) の2つの空欄には同じ単語が入る。 最も適切なものを選びなさい｡ ① usual ② fixed 3 unexpected ⑥ ( 6 )に入れるのに最も適切なものを選びなさい。 ★ 3 reluctant ① available ② likely ④ favorable〔⑤〕 ④ willing [②] ⑦ 下線部 (7) を日本語に直しなさい｡ 現時点では、データの収集が困難なため、このような事態が発生する リスクを評価することは困難だ。 (危険性) ⑧ 本文の内容に合わないものを2つ選びなさい。 ① It seems\that the author is looking forward to seeing the Arctic Ocean with no ice in summer. ② The release of organic material in the Arctic permafrost will have a direct effect on global warming. ③Various climate changes on the planet/can be explained by what is happening in the Arctic. ④ The estimated sea level rise of 74cm does not take into account the amount of water that would be produced if the ice-cap covering Greenland should melt. ⑤ The author thinks that by reducing the emissions of greenhouse gases, we will be able to solve climate change problems. (

Read the explanations, and watch out for the following data alteration. この文は命令文＋，andの構文ですか？ どのように訳せばいいでしょうか。

TOEICの文法の練習です 解いてみたので解説してほしいです よろしくお願いします

110. Each employee must coordinate with management so that ------- time off can be properly scheduled. (A) alone (B) individual (C) isolating (D) separated 111. The cost of building Juniper High Towers exceeded the contractor's original ------- by over £5,000.00. (A) estimating (B) estimate (C) estimated (D) estimator 112. At Links Fine Meats, we pride on providing the highest-quality products on the market. (A) oneself (B) yourselves (C) itself (D) ourselves 113. he is usually quiet around the office, Mr. Heineman is known for his witty and engaging public speeches. (A) Although (B) Otherwise (C) Despite (D) Instead 114. Ancient Chitimacha baskets are ------- featured in the Louisiana Museum of Archeology. (A) prominent (B) prominently (C) prominence (D) prominences 115. tea and coffee are available in the lobby for all guests of the Farrison Hotel. (A) Compliment (B) To compliment (C) Complimented (D) Complimentary 116. 117. representatives of Light Cloud Airlines, flights are rarely overbooked. 119. (A) As opposed to (B) In addition to (C) According to (D) Prior to Mr. Krause will reorganize the supply room ------- the cabinets are delivered. (A) overall (B) due to (C) once (D) soon 118. By completing employee-satisfaction surveys anonymously, workers can more state their concerns about the workplace. (A) wholly (B) openly (C) favorably (D) laboriously The final blueprints must ------- by Ms. Ito after the final draft is produced. (A) approve (B) be approved (C) approving (D) to approve 120. This sewing workshop is ideal for beginner tailors ------- professionals who would like to refresh their knowledge. (A) but (B) either (C) as well as (D) additionally 121. All posters and flyers must be removed from the bulletin board ------- 48 hours after the event has occurred. (A) within (B) among (C) unless (D) while 122. The technology used in pots by Claypol Housewares keeps the handles from getting too hot to touch. (A) warm (B) frequent (C) unattached (D) innovative 123. There are a number of free Web-based ------- that provide tips for locating information in historical databases. (A) tutorials (B) tutoring (C) tutored (D) tutor 124. The person hired must be able to adapt ------to changes in work assignments and schedules. (A) readies (B) readily (C) readiness (D) ready 125. Organizational behavior specialist Ray Majory believes a good sense of humor in a leader can increase the quality of ------- in the team. (A) declaration (B) statement (C) message (D) communication 126. Portsmouth's agricultural industry has always found ways to itself by growing different crops and finding new markets. (A) reinvest (B) reuse (C) reassess (D) reinvent 127. While some countries have made huge investments in the Caribbean lately, others have reduced -------. (A) themselves (B) theirs (C) their (D) they 128. The ethics committee cited the potential benefits of the research project while ------- its high cost. (A) acknowledging (B) to acknowledge (C) has acknowledged (D) acknowledge 129. The report describes the environmental impact on lakes and rivers of using ------- energy sources. (A) together (B) hopeful (C) regulatory (D) renewable 130. Any decorations on the ceilings or walls must be fully removed, including any material used to them to the surfaces. (A) adhere (B) attract (C) construct (D) sustain

答えは2178です。解説お願いします🙇‍♂️

databo 2005 JE 4桁の自然数 N を 4 倍すると, 数字の並び方がN と逆になるという。 自然数 N を求め IL + L + L+491 JUL よ。

教えてください！！

24. He caught the robber (@) the arm. →126 after 2 to 3 until 4 by (**) 25. We stayed home () the bad weather. →127 as 2 because 3 since because of <亜細亜大 > 26. The cherry trees bloomed early this year () the unusual weather conditions. →127 due to result of 3 whereas 4 because (X) 27. () to Aya's help, our trip to Hawaii was very productive. →127 According Thanks 3 In order 4 In addition (A) 28. () a slight fever, Jane seemed to be fine. →128 Although 2 Even if 3 In spite of Because () 29. More companies are determining pay raises and promotions ( © ) the abilities and job performance of their employees. →130 compared with according to 3 aimed at 4 engaged in (*) 30. () from humans, whales have few natural enemies. →130 Beside Including () 1 Except 2 Aside ove pad and 31. We are() favor of his actions. →130g dapodila stic 1 in on 3 as 4 to (*) <大山 32. Please break the glass and push the button () case of fire. →130 of ④ with 〈流通科学大〉 on 2 in siel a