75.1 証明の記述に問題ないですか？

416 00000 基本例題 75 三角形の面積比 (1) ABCの辺AB, AC 上に、それぞれ頂点と異なる点D,Eをとるとき、 △ADE AD AE が成り立つことを証明せよ。 △ABC AB AC (2) △ABCの辺BC, CA, AB を 3:2に内分する点をそれぞれD,E,Fとす る。 △ABCと△DEF の面積の比を求めよ｡ 基本69 指針▷三角形の面積比は, p.410で考えたように等しいもの(高さか底辺)に注目する。 (1) まず, 補助線 CD を引く。 △ADEと△ADC では何が等しいか。 三角形の面積比 等高なら底辺の比, 等底なら高さの比 (2)(1) を利用。△DEF は, △ABCから3つの三角形を除いたものと考える。 2147 解答 (1)2点CDを結ぶ。 △ADEと△ADC は, 底辺をそれぞれ線分 AE, 線分 AC と AADE AE みると,高さが等しいから ① AADC AC △ADCと△ABC は, 底辺をそれぞれ線分 AD, 線分AB と 101=M8 みると,高さが等しいから (2) $080+ MAS = 3 ① ② の辺々を掛けると したがって (21)により AADE AADC △ADC △ABC △ADC AD AABC AB △ADE AD AE △ABC AB AC AAFE AF AE △ABC AB AC ここで 両辺を △ABC で割ると ADEF =1- △ABC . ABDF BD BF △ABC BC BA =1- AEAD 6 6 25 ACAD(*8+"CA)S="MA 37/557/5057/5 32 2|52|52|5 32 AAFE △ABC △ABC 25 25 ゆえに △ABC △DEF = 25:7 ACED CE CD △ABC CA CB ADEF=AABC-AAFE-ABDF-ACED 6 7 25 IP (A))"A+HA 6+$ 25 = 6 EST+CAA-AL/ 25 ABDF ACED 6 25 B D B 2 3 3 E T(98+9A)8=5A+EA D20 AABCHA MAJUSCUL △ABCの辺BC を 2:3に内分する点をDとし、 辺CA を 1:4に内分する点を 練習 2 75 E とする。 また, 辺ABの中点をFとする。 △DEF の面積が14のとき, の面積を求めよ。 (180+0A8 A+S p.418 EX47 △ABC まと 三角 1 B [別ア: ローラ こ (三角 (1) 証 BOF 17 & 証明

英作文の添削をして下さる方にお力をお借りしたいです💦お願いします🙇‍♀️ Q Is it beneficial for workers to change jobs often ? point:career goals and the cconomy 100字程度 ... Read More

なぜ、y軸はTsinθではないのですか？

求めてみます。 LO こり り 重 も 張 キ 1 -Usine 0 0 T 図7-15 Tcost AY Tsing my

微分法最大最小値 この問題の(4)について、写真三枚目の[ で記した部分がどのような考え方をしているのか分かりません。 私は（3の3分の5乗）の三乗ー（3の三乗）の三乗＞（3の三乗）の三乗ー（3の3分の1乗）の三乗 だからx=（3の3分の5乗）のとき最大値をとる と考えたの... Read More

(2) f(x)=0 を満たすどの実数xよりも大きい整数のうちで、最小のものは (1) f(x)の極大値はであり、極小値はである。 である。 とおく。 3よりも小さい整数のうちで最大のものはである。 ☆どりあえず分をとっぱらおう (4) 実数tが-1≦号 を満たす範囲を動くとき, 3%-32t+1-34+2 は で最小値をとり,t="で最大値をとる。 [13 慶応大 ] ***** 197 すべての実数xを定義域とする3次関数f(x)=x3x²9x を考える。 5 X (3) r=-3 t=

答え合わせをしたいので分かるかたお願いします🙇‍♀️

総合問題 ④ 次の英文の( )内に入れるのにもっとも適切なものを、①~④の中から1つずつ選び記号で答 えなさい｡ (1) His father won't ( 1 get (2) This river is dangerous to ( being swum @ swim in (3) ( ) to see you on Tuesday. I'm possible? It is unable for me 3 It is possible for me 4 There is no (5) Many communities for their supply. that obtained (6) He is said to ( 1 win ) him drive his new car. @ allow 3 let (8) Tell me when ( blow did you come 3 you came (4) If the river is clear, you can see the beautiful scene () on it. reflect 2 reflected 3 that reflected are dependent on the water ( ) in July. 3 swim it hadn't become boln 3 shouldn't become C 4 permit 4 swimming (soomA\y\m \ BÌ) (7) To my surprise, John ( ) natto before he came to Japan. 1 was eaten will eat 3 has eaten 4 to reflect 2 obtained ) a prize in the speech contest last month. 2 have won 3 be won ) from wells 3 is obtained @obtain it B ) to the United States for the first time. Tanton you have come 4 have you come 2 haven't become 4 wouldn't become (9) What kind of person do you think you could have been if you () a) musician? 4having won 4had eaten bus ovad (10) The results of Experiment A are more reliable than ( ) of Experiment B. Ⓒones O that REG3 these those CA B

4回中2回の勝ち twice in four wins twice every four wins twice in four times twice every four times twice wins out of four この中で間違った使い方をしているも... Read More

NEWCROWN 中3 lesson4 USERead goalです 表の穴埋めの答え教えてください🙇🏻‍♀️⸒⸒

(8) Why are such changes hecessary?? Goal 記事の概要を表にまとめよう。 タイプ Titles Content Seinto Seiya 1 Satoshi 150 . of the Zodiac Ash onigiri I short explanations Kyojin no Hoshi: baseball I . . . The new title relates The new title makes the anime to Children can 理由 STAGE 3 Think あなたが好きな漫画やアニメ、歌などの英語版タイトルを考えてみよう。 Non-Japanese viewers and readers do not know are hard to remember. in English is a popular team sport in India.

NEWCROWN 中3 lesson4 USEReadのGuide2です 答え教えてください🙇🏻‍♀️⸒⸒ 木曜日に答え合わせがありピンチです💦

Guide 2 次の質問に答えよう。 (1) What is an example of adjusting Japanese anime titles to English titles? (2) Why is such a change necessary? (3) What is an example of adjusting Japanese anime characters for children abroad? (4) Why is such a change necessary? (5) What are two examples of adjusting Japanese content for non-Japanese viewers? (6) Why are such changes necessary?

回答お願いします。また、どんな話なのかも教えてほしいです🙏

13 20 速読 問題 Reading 1/52 Reading €77 Grammar /16 Writing have no choice but to~ /12 "Unless you're frank here, you'll go hungry all the time." When I was invited to an 次の英文を3分15秒で読んで, 1. の問いに答えなさい。 American woman's house for Christmas, her mother said to me, "We usually don't have a regular breakfast. Will you need breakfast tomorrow?" Out of reserve, I was not able to say "Yes, I will," because (1)that would require her to prepare breakfast for me 5 alone. I had no choice but to say, "No, thank you. (2)Her mother took me at my word, and assumed that I was also in the habit of skipping breakfast. When I was back at the university after the holidays, I (3)brought up the subject with a few Americans. 4)"If you had been in my place, and had needed breakfast, what would you have said?" One person said, "Your friend's mother was being frank, so I'd 00.00% 10 have said frankly, 'If you could prepare a little breakfast, I'm sure I'd enjoy it. (5) Otherwise, I'll eat out." Another person said, "That's not so polite. I'd have asked her politely, 'If you could prepare breakfast for me, I'd appreciate it." They asked me why I had been reluctant to give a frank opinion. I explained the Japanese cultural viewpoint. In Japan, immediately accepting an 15 offer of a meal is regarded as impudent; such an invitation is supposed to be declined at least once. But the host realizes that the guest has declined out of reserve, and makes it a rule to ask a second time. A Japanese guest never insists on being served a meal. The host understands the situation and the feelings of the guest and reacts appropriately. (7) "That idea has no chance at all of working here," one American said with total frankness. She continued, "Unless you're frank here, you'll go hungry all the time." (294 words) /11 reserve [rizá:rv] , be in the habit of ~ing 〜するのが習慣になっている 15 decline [diklain] (丁重に) 断る 19 appropriately [ǝproupriǝtli] 〜するしかない 13 reluctant [rilíktant] 気が進まない 嫌がる 精

英検準1級の添削お願いします。 Communication through computers or smartphones has good influence on people. I think that communication through comput... Read More

9002N port 1 HURRAYS No Date Topic Communication through computers or smartphones has good influence people Points = time difference, share the same messages, take face to I think that Communication through computers or smartphones had bad influence on I have two reasons to support people. my opinion. First of all, it makes people not to talk face to face. These days, many people use a phone while they communication eachother. For example, they use message and call by phone Therefore, they don't have an opportunities to talk directly. Second of all, sometimes it makes us misunderstand. In particular, using message is hessesarly to communicate Caused misunderstand. in writing and thus, it This situation have a neggative effect on relationship at the worse. case.. ectly call by phone at the worse case. at worse, In the worst case, According to the reasons I mentioned above, Communication through computers or Smartphone is not good for us.