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数学 中学生

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5点×4 /20 三角形と比の定理 1 次の図でPQ//BC のとき, x,yの値を求 めなさい。 4cm/ P 8cm (2) B B.. y cm xem 15cm ycm 12cm 7cm 8cm 12cm 6cm P C 4:x=2:3 2x=12 x = 6 4:5=8:4 44=40 y=10 x= 7cm² 6 三角形と比の定理の逆 2 右の図の線分DE, EF, FD のうち, △ABC の辺に平行な線分はどれで すか。 30 中点連結定理 3 右の図の△ABC で, 点M, Nはそれぞれ辺 AB, ACの中点である。 次の問 いに答えなさい。 y= 12:x=4:3 4x = 36 x=9 9=y=6=7 6g=63 9 y=10.5 x= 6 cm B M, 6 10 知 10点 B (1) 線分MNの長さを求めなさい。 4.5 cm F 4cm D 5cm 58° FD (2) ANMの大きさを求めなさい。 13.2cm E 4 cm C 知 10点×2 A 16cm /10 N /20 467 平行線と比 知 10点×2 /20] 次の図で、 直線ℓ, m, nが平行のとき、xの 4 値を求めなさい。 (1) l m n (2) l m n 6cm 4cm 3cm xcm Zoom xcm 6cm 15cm 4cm 320 5 相似な図形の相似比と面積比 右の図の△ABC で, 点D, Eはそれぞれ辺 AB, AC上の点で, DE //BC, AD=6cm, DB=4cm で ある。 次の問いに答えなさ 3:2=x=6 2x=18 x = 9 X= 3:4=5=x 3x=20 x=20 3 x= 9 D 4cm, [B] 20 3 9065x3 6 cm, い。 (1) ADEと△ABCの相似比を求めなさい。 3:2 /18 E (2) △ADEと△ABCの面積比を求めなさい。 C 12/14 (水) 1/8(月) | 9:4 (3) ADEと四角形DBCE の面積比を求めなさい。 相似な立体の相似比と体積比 5点×2 /12 6 相似な2つの正四角錐A, Bがあり,それら の高さの比は2:3である。 次の問いに答えなさい。 (1) AとBの体積比を求めなさい。 8:27 (2) Aの体積が40cm²のとき, Bの体積を求めなさ

解決済み 回答数: 2
英語 高校生

3なのですが、whatはなぜ間違いになるのですか?

1 内から適切な語句を選びましょう。 (1) That's (which / what) you said yesterday. (2) Are animals (who / that) are in zoos happy? (3) There are three employees (that/whom ) will receive an award. (4) The apartment house, (which / whose) bathrooms are shared by the residents. repaired next month. what he was (5) He is not (that/ what ) he was. (6) Who was the person (to who /to whom ) you spoke yesterday? 3 日本 (1) 私が欲し The camera 過去の彼 is (2) I looked up which I wanted to know in the encyclopedia. I looked h (2) 私は昨日、友人と I met a friend o (3) 始まりがあると Whatever (4) 彼女はいわに She is (5) その木は変 The tree, again ne (7)/Today I didn't see the boy and his dog (which /that) run in the park every day. that (8) This is the pen (with which/with that) the novelist wrote his novels. (9) He said that he could speak English) ( that / which ) was a lie. (10) If (wh whoever / anyone ) is having difficulty hearing me, let me know. 2 例にならって下線部の誤りを訂正し、文全体を書き直しましょう。 (151) My father always keep my promise. → My father always keeps his promise. (1) Iwant to ask for the opinion of someone which is familiar with the law. kamiliar with the lan of someone who want to ask for the opinion. what I wanted to know in the encyclopedia 4 日本語の (1) 京都 Kyo (2) 15 N up (3) The report mentions something what is important to our lives. The report mentions something that ever is important to our lives (4) This is the picture which Allen is proud. This is the of hoch Allen is picture proud (5) I learned the procedure from him, who was a mistake. (I learned the procedure from him), which was a mistake (3) (6) He, which father is the president of the company, got promoted. He, whoes father is the president of the company, got promoted (7) Whoever win first prize in the contest, it matters little to me. wins Whoever work dirst prize in the contest, it matters little to (8) Which is more, they revealed an unexpected finding. What is more, they revealed an what is more this whoever i 66 unexpected finding unexp

解決済み 回答数: 1