何度考えても違う答えになってしまいます 時間のある方解説お願いしますm(_ _)m。

15 次の問いに答えなさい。 ただし, 円周率は3.14とします。 (1) 右の図の六角形 ABCDEF の面積を求めなさい。 HAN LSKE IN (2) 右の図を ABを軸に一回転させてできる立体の体積を求めなさい。 (3) (2) 立体の表面積を求めなさい。 A 5 cm B 2cm F -5 cm -D C 9 cm

自信が無いので……(>ㅿ<;;)

) 40L で 640km 走る車 A と, 56L で 980km 走る車B が,それぞれ 30L で走るとき,どちらが 何km 多く走ることになりますか。

1+1の答えを教えてください。

5×5÷4＋5×5÷4 なんの性質を利用した式なのかわかりません。 教えて頂きたいです

円の半径は5cm 点は円周を12 等分している 斜線部分の面積 2 =□cm² (2002年灘中)

Name Date MENTAL MATHS QUIZ 4:2 ANSWERS 1) 500 + 4 + 70 574 2) Half of 30 15 3) What is this triangle called? right angle triangle or rig... Read More

Name MENTAL MATHS QUIZ 4:2 ANSWERS 500 + 4 + 70 Half of 30 What is this triangle called? 1) 2) 3) 4) 5) 6) 7) 8) Date 15) 30-16 What is the value of the digit 7 in the number 1726 Double 14 5 x 6 Write down all the odd numbers from the list below 42, 37, 21, 26, 38, 63 Round 67 to the nearest 10. 9) 10) What number comes halfway between 30 and 50? 11) How many FIVES make 30p? 12) The time is 4:30pm. What will the time be in half an hour? 13) How much money is 3 TENS and 3 FIVES? 14) What fraction of this shape is shaded? I am facing north. I turn 2 half turns. Which way am I facing now? 16) How many cm in 7 metres? Free Math Sheets, Math Games and Math Help ATH-SALAMANDERS.COM 574 15 right angle triangle or right triange 14 700 28 30 37,21,63 70 40 6 5:00pm 45p 3/5 north 700

Name Date MENTAL MATHS QUIZ 4:2 ANSWERS 1) 500 + 4 + 70 574 2) Half of 30 15 3) What is this triangle called? right angle triangle or rig... Read More

Name MENTAL MATHS QUIZ 4:2 ANSWERS 500 + 4 + 70 Half of 30 What is this triangle called? 1) 2) 3) 4) 5) 6) 7) 8) Date 15) 30-16 What is the value of the digit 7 in the number 1726 Double 14 5 x 6 Write down all the odd numbers from the list below 42, 37, 21, 26, 38, 63 Round 67 to the nearest 10. 9) 10) What number comes halfway between 30 and 50? 11) How many FIVES make 30p? 12) The time is 4:30pm. What will the time be in half an hour? 13) How much money is 3 TENS and 3 FIVES? 14) What fraction of this shape is shaded? I am facing north. I turn 2 half turns. Which way am I facing now? 16) How many cm in 7 metres? Free Math Sheets, Math Games and Math Help ATH-SALAMANDERS.COM 574 15 right angle triangle or right triange 14 700 28 30 37,21,63 70 40 6 5:00pm 45p 3/5 north 700

Name Date MENTAL MATHS QUIZ 4:2 ANSWERS 1) 500 + 4 + 70 574 2) Half of 30 15 3) What is this triangle called? right angle triangle or rig... Read More

Name MENTAL MATHS QUIZ 4:2 ANSWERS 500 + 4 + 70 Half of 30 What is this triangle called? 1) 2) 3) 4) 5) 6) 7) 8) Date 15) 30-16 What is the value of the digit 7 in the number 1726 Double 14 5 x 6 Write down all the odd numbers from the list below 42, 37, 21, 26, 38, 63 Round 67 to the nearest 10. 9) 10) What number comes halfway between 30 and 50? 11) How many FIVES make 30p? 12) The time is 4:30pm. What will the time be in half an hour? 13) How much money is 3 TENS and 3 FIVES? 14) What fraction of this shape is shaded? I am facing north. I turn 2 half turns. Which way am I facing now? 16) How many cm in 7 metres? Free Math Sheets, Math Games and Math Help ATH-SALAMANDERS.COM 574 15 right angle triangle or right triange 14 700 28 30 37,21,63 70 40 6 5:00pm 45p 3/5 north 700

Name Date MENTAL MATHS QUIZ 4:2 ANSWERS 1) 500 + 4 + 70 574 2) Half of 30 15 3) What is this triangle called? right angle triangle or rig... Read More

Name MENTAL MATHS QUIZ 4:2 ANSWERS 500 + 4 + 70 Half of 30 What is this triangle called? 1) 2) 3) 4) 5) 6) 7) 8) Date 15) 30-16 What is the value of the digit 7 in the number 1726 Double 14 5 x 6 Write down all the odd numbers from the list below 42, 37, 21, 26, 38, 63 Round 67 to the nearest 10. 9) 10) What number comes halfway between 30 and 50? 11) How many FIVES make 30p? 12) The time is 4:30pm. What will the time be in half an hour? 13) How much money is 3 TENS and 3 FIVES? 14) What fraction of this shape is shaded? I am facing north. I turn 2 half turns. Which way am I facing now? 16) How many cm in 7 metres? Free Math Sheets, Math Games and Math Help ATH-SALAMANDERS.COM 574 15 right angle triangle or right triange 14 700 28 30 37,21,63 70 40 6 5:00pm 45p 3/5 north 700

答えが合いません。 教えてほしいです。

右の四角形ABCDは1辺の長さが20cmの正 しゃせん 方形です。 斜線の部分の面積は何cmですか。 A B 20cm

答えが合わないので、 教えて頂きたいです。

しゃせん ② 次の斜線の部分の面積を求めなさい。 24cm 4cm