糸の長さを求める問題です🙇🏻‍♀️写真の展開図のように考えて求めるそうなのですが、AH=1/2AMになるのはなぜですか？解説はそのままAH=1/2AMより、 と求め方が書いてありますが、どこから来たのか分かりません💧

す 右の図は、底面の半径が1cm,高さが2√2cmの円錐 である。 母線ABの中点をMとし, 点Bから点Mまで, 円錐の側面にそって母線 ACを通り, 最も短くなるよう に糸をかける。 次の①~③に答えなさい。

(2)についての質問です n≧3とはなんですか？？教えてくださいお願いします🙏

[6] n角形の対角線の数は、 次の式で表される。 n(n-3) 2 6 (各5点) (1) 35 本 この式を使って、 次の問いに答えなさい。 (2) 九角形 □ (1) 十角形の対角線の数は何本ですか。 n(n-3) -にn=10を代入する。 2 (2) 対角線の数が27本である多角形は、 何角形ですか。 n(n-3)=27より、n=-6、n=9 2 n≧3より、 n=9 Gam

この問題が分からなさすぎます､､､解説をお願いします 答えは21/4らしいです！書き込みは気にしないでください！

中3数学 入試対策プリント 【相似】 No.9 10月28日 1 右の図において、四角形ABCD は平行四辺形である。また点Eは線分BC上の点であり,三角形 ABE は正三角形 である。 さらに, 線分ABの中点をFとし, 線分AEと線分 CF との交点をGとする。 AB=6cm, AD=7cm のと き 線分AGの長さを求めなさい。 (神奈川) 6cm FB) B (13) 6cam 7cm

みなさんstudygram？みたいなものを投稿しているのですが、これって一体どのようなものなのでしょうか？教えて欲しいです！

添削お願いします🙇🏻‍♀️՞ 写真は左から、原文、問題、自分の解答です。 模範解答は、 D.Why don't you ask my mother and grand mother? E.They will tell you more about my red kimono... Read More

(Nana is showing Kate a photo at home.) Kate: You are wearing a red kimono in this photo. Nana: Thank you. My mother took it at my uncle's wedding. Kate: The flower pattern on your kimono is amazing. Nana: That's true. It's my family's precious kimono. Kate: Why is the kimono precious? Nana: Actually, is bought my grandmother I this the kimono ] for my mother thirty years ago. Kate: Oh, you used your mother's kimono. Nana: Yes, but she gave it to me last year. So the kimono is ( @). Kate: Why did your mother give it to you? Nana: This red kimono has long sleeves. She thinks this kind of kimono is for young people, so she doesn't wear it now. Kate: I have a ( ℗ ) experience. My mother has a nice dress in her closet, but she doesn't wear it. I always wear it when I go to birthday parties. Nana: I'm sure your friends like the dress. Kate: Thanks. When I wear it, ⠀ Nana: : The designs of old clothes are different from the new ones, right? み Kate: Yes! I think wearing used clothes is fun. ( © ), wearing other people's clothes isn't easy because of the size. Actually, my mother's dress was large for me, so she adjusted it. Who adjusted your kimono? Nana: B Sonimom vis ns diwalls of WH Kimono has a simple shape, so it can be used easily by different people. Kate: Interesting. Kimono is not only beautiful but also functional. Nana: Right, so I love kimono. I'm glad to give my red kimono a new life. Kate: C Nana: If I wear my red kimono, it will have more chances to get out of the closet like your mother's dress. Kate: That's a good idea to use the kimono again. smozgnilos ayoung H Nana: I'll wear it on special days!

間違い直し問題 教えてください🙏

You a day. don't have to help me. I am possible to finish all these tasks in

意味の通る英文を作る問題なのですが、invited came という語順はなぜ成り立つのでしょうか。教えていただけたら幸いです🙇‍♂️

(the/ invited/came / of most /people/I), and we had a very good time. Most of the pople I invited came

この問題の(1)→remind recollect rememberの違いについて解説して欲しく (2)何が対象のcoverか について詳しく教えて欲しいです。二枚目の選択肢にピンク丸をつけたものが正解です。

Test 1 READING AND USE OF ENGLISH Part 1 For questions 1-8, read the text below and decide which answer (A, B, C or D) best fits each gap. There is an example at the beginning (0). Mark your answers on the separate answer sheet. 12 33 4 Example: 0 A gather C find B produce D gain A B Alfred Wainwright Alfred Wainwright came from a relatively poor family but managed to (0) ...ain qualifications in 鍼 accountancy. However it is not for his skill in accountancy that he is (1) yemem but for his pictorial guidebooks to the English Lake District. bered The Lake District is in the north-west of England and (2) Covers, an area of some 2,292 square kilometres. As its name (3) implies, it is an area of lakes and mountains. Alfred first went there on a walking holiday in 1930 and immediately fell in love with the area. He (4) divided the Lake District into seven parts and wrote a guide for each of them. The guides (5) consist entirely of copies of his hand-written manuscripts. All have descriptions of walks with hand-drawn maps and sketches of views from the summits of the different mountains. He intended the books to be just for his own personal (6) use... but was eventually (7) publish them. They are beautiful books which (8) ........ remain as popular as ever. to persuaded 5 276

10の0乗とか、5の0乗とか… どの数でも0乗は必ず答えが1になるのはなんでですか…🤔💦

解説を見ると、MIの長さをAI^2+AM^2=‪√‬３^2+‪√‬2^2=‪√‬13と求めているのですが、△AIMにおいて、MIは斜辺ではないのに、なぜこの式なのですか？

(2)次の図のように, 点 A, B, C,D,E,F,G, Hを頂点とする直方体があり,AB=4cm,AD=6cm, AE=3cm です。 辺 AD の中点をI, 辺 EF の中点をJとし, 点Cと点I, 点と点J, 点と点Cをそれ ぞれ結びます。このとき, △CIJ の周の長さは何cmですか。 6cm ADの中点 D E F 0