こんにちは😊 北辰テストの数学の問題なんですが...解説見ても分かりません💦 (2)の②、解説お願いします 答えは75cm²です

4 右の図で、 四角形ABCD と四角形AEFGは合同な 長方形(長方形ABCD = 長方形 AEFG)です。 点Gは四 角形ABCDの対角線AC上にあり、点Bは四角形AEFG の外部にあります。 このとき､次の各問に答えなさい。 (17点) (1) 右の図2は、図1において, 辺FGの延長と辺CD との交点をHとしたものです。 このとき、△ADHと △AGHが合同であることを証明しなさい｡ (7点) (2) 右の図3は、図1において, 線分BE, 線分BF. 線分BG, 線分DE, 線分DGをかいたものです。 このとき次の ① ② に答えなさい。 ① ∠ACB=56°のとき, ∠ADGの大きさを求めな さい。 (5点) ② AEBの面積が48cm²,▲△BGF の面積が3cm². △CDGの面積が18cm²のとき, 四角形DEBGの面 積を求めなさい。 (5点) -6- E E E F F F B B 図2 A B 図3 G G G D H C D (以上で問題は終わりです All rights im

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(6) 直線y=a+bを,ご軸について対称移動すると点(3, -10)を通り,y軸について対称移動 すると点(6,4)を通ります。このとき、a.bの値をそれぞれ求めなさい。(5点) 1- All rights reserved.

これの問6なんですが、答えはｲになるそうです。ですが、解説を見てもよくんかりません。解説よりわかりやすく説明できる方、どうかよろしくお願いします。

実験1 (1) 図1のような質量2kgの物体を, 手で3mの高さまで引 き上げた。 動滑車 Ser 一物体 (2) 図2のような動滑車を使って,質量2kgの物体を,3m 物体 の高さまで引き上げた。 図2 図1 2 先生動滑車の重さや摩擦力カを考えないとき、動滑事を使うと,糸を引く力の大きさはL 倍,糸を引く距離は |倍になるので, 仕事の大きさは変わりません。このように,同じ 状態になるまでの仕事はどんな方法を使っても同じです。このことを仕事の原理といいま 2) す。 実験2 レールを用いて図3のような斜面を レール つくり,斜面に沿って小球を転がて、 速さ測定器 小球が水平面上で木片に衝突する直前 40 cm 木片 水平面 20cm の速さと,小球の衝突により木片が移 動した距離を調べた。小球は質量が 10cm 図3 100 g. 200gのものを準備し,不球を 1,2×F00 転がす高さは 10 cm, 20 cm, 40 cm と した。次の表はその結果である。 表小球を転がす高さ[cm] 小球の質量(g) 小球の速さ [m/s] 木片の移動距離tem] 12ン16 10 100 4.4、 1.2 20 100 -2.0 2.4 40 100 2.8. 4.8 10 200 14 2.4 L 25 O3 20 200 2,0 4.8 40 200 2,8 9.6 先生 木片の移動距離と小球を転がす高さにはどのような関係がありますか。 100115 250 生徒A。木片の移動距離と小球を転がす高さは比例しています。 a 生徒B b 木片の移動距離と小球の質量も比例しています。 10 先生 小球の質量と小球の速さに何か関係はあるでしょうか。 250 16 生徒C 小球の質量と小球の速さには何も関係がなさそうです。

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ora fe編 尻affenfion [ai同 尻recognize(9) jk2g 尻effort⑮) py(⑲) jouse ar7e8t 0 恨み47 777770e7 の 必/% め OH 2 poliiicgl Life mm 1988, there WaS ら movement for democracy nMyanmgr A great number of people who joined i 。 killed. People neededl a strong leader, and aske Wer Kyi to jom them. She accepted, am Aung 5an Sun decided to york for her country: mm 1989, the government put her under house 邊 arrest to 8tOD the movement. She Was locked up for | s in total, but she never gaVe UP. 15 year Nobel Peace Prize. 尼 Was 8 Tm 1991, she won the prize that attracted peoples attention. -nized her efforts for democracy and human right8 TeC06

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Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.

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Do you like dogss OU He dogs7 People ay tha dogs ae me oldew fiends orhumans Some 所 Te Vi People as Pets o tnlk about some Dogs we led by many peopls。 Now Tm gomg kinds of dogs w 「 Tes Working fordiabled peopkk。 They are not pes。 Toy are saiiance dogE 1p Japan。 there are three kinds of assistanee dogs。 They are gnide dogs。 service doB3 and Teng dogy Tody。 jn Japan。 more tan a momsand ssshtance dogs work for diabled PeoPIe To of thom are guide dogs。 The mumber of senrice dogs and hearing dogs is mot So large 人 OF Mey 1 2017。 here were onby abowe seveny senoe dogs mm Japan。 The number of hearing dogs was about he same. Guide dogs work for peopls who cannot see。 Guide dogs lead thc users when hy 8O 9 Herent places。 The dogs walk with the uscrs and gnuide them im a sefc way。 For Purposc。 guide dogs are ( A ) to go stmight along the road。 The users know hhe situaon j front of them thanks to the dogs、 and give dmectoons to the dogsy such as Wai FComer md “Sright go.” We can say that a gnide dog and the user work together to walk safely。 Service dogs work for people who cannot use their ams or legs ficcly。 Scrvice dogs do a Jot of things in daily lives for such people. For example。 they pick up things on the floor opcn. and close doors, and bring things from other places。 When something dangerous happens。 the dog can even run to some other people and ask thcm for hclp。 We can say that service dogs [で①語 Hearing dogs work for pcople who cannot hear。 Haring dogs can understand many kinds or sounds。 such as phones alanm clocksr cping babics nd so on。 The dogs 【 by /tel/ is heard / usi ig / thc users / their / what sound 】bodies: ER lece。 the dogs ouch the users and lead them to the place。 Hearing dogs can tcll many kinds of sonnds to the users and help them The law about assistance dogs says that they can go with the users imto many places Hike Testanrants, supenmarkets, and so on. So you have many chances to see thcm。 But you should amember one important thing about them。 Assiance dogs are not pets。 They are working 5r the users. so you must not talk to them or touch them。 OF course you must not give them ay food. Asshtance dogs md the usems respect eech othier ss Partnets。 When you meet an ssistance dog and te uscr in town。 just see what they dO。 TF they need some help。 lers ghve them a hand.

解説お願いします

ei EEa、 辺の反きが "1辺の長きがmn OTTO K 珍の用紙Bがある。それらを何枚かずつ、 に並べて, 正方形をつくる。

並び替えるとどうなりますか？ 何故そうなるのかも教えて下さい🙏🏻 出来れば早く答えて欲しいです!!

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