［3］、［4］が分かりません。教えてください。

[3] 1辺が5cmの立方体の対角線の長さは DOV サ cmである。 WARHO N cm である。 セ 5cm DASK [4] 右の図のような直角三角形ABCがある。 この直 ある。この直中 (E) 角三角形ABCを辺ABを軸として1回転させて, POTO 立体をつくる。 67 [CD (1) この立体の高さは (2) この立体の体積はス CABOXY-98610,a (9) cm である。 (3) この立体の側面積はソタπcm²である。 タ 5cm -5cm B 4cm 3cm .10***ON [S] 200 A (1)

アとイの表面積の差を求めなさい。 という問題、わかる方いませんか？ 教えていただきたいです。 お願いします🤲🏻 答えは10πa2です

8 下の図の四角形ABCDは、AB=2acm、BC=3acmの長方形である。 長方形AB CDを、辺ABを軸として1回転させてできる立体をア、辺BCを軸として1回転さ せてできる立体をイとする。 次の各問いに答えなさい。 A 2acm B 3acm D C ア cm 【3点×3 思考・判断・表現】 cm cm cm

この問題、接弦定理を使うらしいのですがどうして接弦定理を使うのか、接弦定理を使った場合どうなるのかを解説してほしいです

直線 1, m は円の接線とする。 (3) RHOOF #19 81 B m Dx C 125° JOAN HOAX TE .60 $5 A 32.9 - 1

なぜ、答えが 『エ』ではなく 『ウ』になるのか 教えてほしいです🙇‍♀️

次の英文を読んで、問1~問5に答えなさい。 *印のついている語句には,本文のあとに〔注〕があります。(10分) A 1901, the Nobel Prize has *honored men and women from all over the world for great work in science, writing, and peace. The Nobel Prize is an *award that was started in Sweden. The name Nobel Prize comes from a Swedish scientist, Alfred Nobel, who made more than 350 *inventions. In 1895, a year betore he died. he set up the award. Many people think the Nobel Prize is the greatest award a person can receive. Twenty two people from Japan have received the Nobel Prize. Recently, awards were given to three scientists from Japan in 2014 (for their work in science. These three scientists, Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura, made a bright blue *LED in the 1990s. All three colors are needed to make a white LED. White LEDs are bright, last for a long time, and don't use much *energy. Because of this, white LEDs are becoming more and more popular. They are B than fluorescent lights or *incandescent lights, but people can use them for a longer time. People can use LEDs for about 100,000 hours. That is 10 times as long as people can use fluorescent lights and 100 times as long as people can use incandescent lights. (2 Perhaps you are thinking that these scientists are cleverer than you. Their invention is really special, but they are people just like you. (3) People said that they could not do it. They had to make their own *equipment for their work. they tried more than a thousand times, they still were not able to make a blue LED. But they never gave up and finally they did it. Perhaps one day, if you work hard, you will get the Nobel Prize, too. Nobel Prize ノーベル賞 award LED I'I ・発光ダイオード 蛍光灯 機器 ……………. fluorescent equipment 〜をたたえる 発明品 honor invention energy I: incandescent 白熱灯 .…....

なぜ、答えが『ウ』 ではなく『イ』なのか 教えてほしいです🙇‍♀️

次の英文を読んで、問1~問5に答えなさい。 *印のついている語句には,本文のあとに〔注〕があります。(10分) A 1901, the Nobel Prize has *honored men and women from all over the world for great work in science, writing, and peace. The Nobel Prize is an *award that was started in Sweden. The name Nobel Prize comes from a Swedish scientist, Alfred Nobel, who made more than 350 *inventions. In 1895, a year betore he died. he set up the award. Many people think the Nobel Prize is the greatest award a person can receive. Twenty two people from Japan have received the Nobel Prize. Recently, awards were given to three scientists from Japan in 2014 (for their work in science. These three scientists, Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura, made a bright blue *LED in the 1990s. All three colors are needed to make a white LED. White LEDs are bright, last for a long time, and don't use much *energy. Because of this, white LEDs are becoming more and more popular. They are B than fluorescent lights or *incandescent lights, but people can use them for a longer time. People can use LEDs for about 100,000 hours. That is 10 times as long as people can use fluorescent lights and 100 times as long as people can use incandescent lights. (2 Perhaps you are thinking that these scientists are cleverer than you. Their invention is really special, but they are people just like you. (3) People said that they could not do it. They had to make their own *equipment for their work. they tried more than a thousand times, they still were not able to make a blue LED. But they never gave up and finally they did it. Perhaps one day, if you work hard, you will get the Nobel Prize, too. Nobel Prize ノーベル賞 award LED I'I ・発光ダイオード 蛍光灯 機器 ……………. fluorescent equipment 〜をたたえる 発明品 honor invention energy I: incandescent 白熱灯 .…....

なぜ答えが2πrhになるのですか？？教えてください🙇🏻

6 空間図形 右の立体は,底面の半径が,高さがんの円柱である。このとき、次の問いに答えなさい。 (1) この円柱の側面積を表す式を書きなさい。 ただし, 円周率は²とする。 rud (>0g 008 zaxhxr ☆★★ Fuscr zahr

適当に25単語隠してほしいです🙇‍♀️

0] z)] B の 並 () の Father: What are you reading, Meg? You've been reading that since 10 a.m. It's a book about haiku. It's a little difficult, but it's interesting. Look. Meg: about HAIKU Haiku have been an important part of Japanese culture since the Edo period. Japanese people have been writing haiku for centuries. Haiku are different from traditional English poems. First, they are not written in sentences. They use only a few words. Second, the lines do not have to rhyme. Third, a seasonal word must be included. On the other hand, like most English poems, rhythm is very important. Haiku use three lines five, seven, and five syllables long. [103 words] 15

2枚目の証明でも合ってるか教えて欲しいです！

3 表現 右の図で、△ABC≡△DEF であり,辺FE は BC に平行 である。点Dは辺BC上の点であり,点Aは辺 FE 上の点である。 辺ABとFD との交点を G, 辺ACとED との交点をHとする。 四角 形AGDHは平行四辺形であることを証明しなさい。 ( 岐阜県 改) B F G D

単項式のところで、Bの体積のとこの答えが12πr二乗hになると書いてあるのですが、12の意味が分かりません､､12になる理由を教えて欲しいです!!

"a³ 1 1 □6 底面の半径が5cm,高さがhcm の円柱 A があります。 底面の半径をAの2倍, 高さを Aの3倍にした円柱Bをつくると, Bの体積 はAの体積の何倍になりますか｡ A の体積･･･πXr²×h=urh(cm²) Bの体積・・･ よって, 12urch÷urch=12 (倍) × (2r)²×3h=12m2h (cm²)

赤で波線をひいている2点が分からないので、教えて頂きたいです ⋆🗝️ ・この「𝗆𝗈𝗌𝗍 」はどういう文法、意味なのでしょうか … 最上級なら the best が来るのだろうし … 「𝗆𝗈𝗌𝗍 」は他にも使い方（意味）があるのでしょうか ?? ・この「𝗅𝗈𝗇𝗀 」はどう... 続きを読む

have Japanese people been writing haiku? Cathers What are you reading, Meg? You've been reading that since 10 a.m. It's a book about haiku. It's a little difficult, but it's interesting. Look. Haiku have been an important part of Japanese culture since the Edo period. Japanese people have been writing haiku for centuries. 2 centry. なので Kar? Haiku are different from traditional English poems. First, they are not written in sentences. They use only a few words. Second, the lines do not have to rhyme. Third, a seasonal word must be included. 他方でい一方で On the other hand, like most English poems, rhythm is very important. Haiku use three lines be+過去分詞 tratt five, seven, and five syllables long. シラボーズ a seasonal word Furuike ya Kawazu tobikomu Mizu no oto FURT eading a book now. eading a book since 10 a.m. <----5 syllables 7 syllables <-- 5 syllables TENTATAPO ならない」 5 pp.30-31 Grammar 1 現在完了進行形 (have [has] been + ...ing) で、 過去のある時から現在まであ る動作が続いていることを表す。 ・ ne te 2. 103 words] 15 ir 10