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Mathematics Junior High

✍みたいなのでさされてるところです これがどんな形(状況)になっているのかが分かりません。2直線l,mは平面X上にあるので平行になる、とありますが、それもよくわからないです。(問1の問題と関係がありそうです)

4 2 直線CP の式は, y = 6 v-²22-3Ky=0&RALT, 0-72-3-7x=-3 x=13 18 6x 7 [1] AACDと△BCE において, 仮定から, AC=BC DC=EC ∠ACB=∠DCE=90° ∠ACD=∠DCE-∠ACE \2 ∠BCE=∠ACB - ∠ACE ③ ④ ⑤ より ∠ACD=∠BCE (6) ⑥より, 2組の辺とその間の角がそれぞれ等しいから、 AACD=ABCE [2] △ABC, DEC は直角二等辺三角形だから,∠ABC=∠EDC=45° △BCE の内角の和から, ∠BEC = 180°45°-α°= (135-α)。 AACD=△ABCEより, ∠ADC=∠BEC = (135-α)。 ∠ADE= (135-α)-45°= (90-α)。 [問3] AACD=△BCE より, DA = EB = 4 ∠DAC=∠EBC=45° ∠BAC=45°より, ∠DAE = 45°+ 45°=90° AAED = 1 2 -3 Qæ 座標 X6X4=12 AB=6+4=10 AABC=10X10 X 10x/1/2×1/12/=25 ADEC = △ABC + AACD-ABCE-△AED=△ABC-△AED=25-12=13 よって, AAED: ADEC = 12:13 Y //Zより交わらないからである。 は1つの平面X上にあり, 平面 Xと平面Yの交線をℓ, 平面 X と平面Zの交線をとする。 このとき, Y // Zならば, ℓ// m である。 なぜならば, 2直線l これより, PQ // DR, DP // RQ となるから、 四角形 DPQR は平行四辺形である。 [問1] 点R から辺BF にひいた垂線と辺BF との交点をSとすると, ADAPARSQ (直角三角形で, 斜辺と他の 1辺がそれぞれ等しい)より, SQ=AP=3 BS=CR=4 よって, BQ=BS+SQ=4+3=7(cm) [問2] APQR=△RDP より (三角すいM-PQRの体積)=(三角すいM-RDPの体積) 三角すいM-RDP で, 底面をAMDR とすると,高さは AD に等しい。 よって、三角すい M-RDP の体積は, 1/13x11x (12+2)×5×12=60(cm²) だから、三角すいM-PQR の体積も60cm²

Solved Answers: 1
English Junior High

回答を解説含め教えて頂きたいです🙇‍♀️🙏

問題10 【思考・判断・表現】 (2×9=18) 健(Ken)はクラスの友達に切手 (stamp) と地図 (map)を見せながら、ブータン王国 (Bhutan)に住む文通相手 (pen pal)のタシ (Tashi)との交通についてスピーチをしてい ます。 次の英文を読んで、あとの (ア) ~ (ケ)の各問いに答えなさい。 ow or W atploaoro to Yo ont bib SW (1) Hi, everyone. I'm going to talk about my pen pal. Please look at this stamp. Have you ever seen a big stamp like this? It's samm not a Japanese stamp. Then (0)? Tashi, my pen pal no Satologado tuodo in Bhutan, sent it to me last week. Bhutan has interesting stamps. I'll talk a little about (E) Syobot Bhutan. Please look at this map. Bhutan is between China and India. It's bigger than Kyushu and has many high mountains. People in that country have clothes like Japanese kimonos, and they grow and eat rice. Tashi and I became pen pals last year. I've never seen him, (2) I've seen his father. His father came to Japan to study at college, and my mother was his Japanese teacher. When she brought him to our house, he told me about his family. He said, "My son is as old nh's Snipsd as you. He wanted to come to Japan with 3me, but he had to stay in Bhutan. He is very Cbil yohl(5) (5) interested in Japan and wants a Japanese friend. If you write a letter to him, he will be very (4)." Tashi's father also told me about his country. It was very interesting. So I Estoloporis sver of sent a letter to Tashi, and we started writing letters to each other. We write letters in English. I didn't like writing English before, but now I enjoy it. Tashi writes English very well because teachers in Bhutan usually speak English when they teach. He sometimes uses difficult words in his letters, so I need a ( 5 ) to read them. We write about our countries, schools, families, and friends. He uses beautiful stamps to him, too. Thank you for listening.

Solved Answers: 1
English Junior High

回答を解説含め教えて頂きたいです🙇‍♀️🙏

問題10 【思考・判断・表現】 (2×9=18) 健(Ken)はクラスの友達に切手 (stamp) と地図 (map) を見せながら、ブータン王国 ( Bhutan)に住む文通相手 (pen pal)のタシ (Tashi) との交通についてスピーチをしてい ます。 次の英文を読んで、あとの (ア) ~ (ケ)の各問いに答えなさい。 0275 300q sit zow stoloporlo to roteir sdt bib 9W (1) Hi, everyone. I'm going to talk about my pen pal. Please look at this stamp. Have you ? Tashi, my pen pal ever seen a big stamp like this? It's not a Japanese stamp. Then ( 1 )? TIDS Satplopo tuodo in Bhutan, sent it to me last week. Bhutan has interesting stamps. I'll talk a little about Syobot pluqoq Bhutan. Please look at this map. Bhutan is between China and India. It's bigger than Kyushu NW (E) and has many high mountains. People in that country have clothes like Japanese kimonos, and they grow and eat rice. Tashi and I became pen pals last year. I've never seen him, ( 2 ) I've seen his father. in the Meiji pen His father came to Japan to study at college, and my mother was his Japanese teacher. t in Japan. They tre When she brought him to our house, he told me about his family. He said, "My son is as old LA 111. SIDIO Snipsd as you. He wanted to come to Japan with 3me, but he had to stay in Bhutan. He is very bih wohl (S)make interested in Japan and wants a Japanese friend. If you write a letter to him, he will be very ( 4 )." Tashi's father also told me about his country. It was very interesting. So I Sstoloporio svori ot sent a letter to Tashi, and we started writing letters to each other. We write letters in English. I didn't like writing English before, but now I enjoy it. Tashi writes English very well because teachers in Bhutan usually speak English when they teach. He sometimes uses difficult words in his letters, so I need a ( 5 ) to read them. We write about our countries, schools, families, and friends. He uses beautiful stamps to him, too. Thank you for listening.

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