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人気のある Word Problems >

A circle has a 直径 of 20 cm. a. What part of the circle do you need to find in order to calculate the area inside the circle?

解

A c i rc l e ha s a d iam e t er o f 20 c m . a . Wha t p a r t o f t h e c i rc l e d o yo u n ee d t o f in d in or d er t o c a l c u l a t e t h e a re a in s i d e t h e c i rc l e ?

解

a re a : 100 π c m^{2}

+1

十進法表記

314.15926 \dots

解答ステップ

Given:

d iam e t er : 20 c m

指定された円の面積

d = 20 : A = 100 π

a re a : 100 π c m^{2}

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