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人気のある Word Problems >

The radius of a 円 is 9 miles. What is the 円's area?

解

T h e r a d i u s o f a c i rc l e i s 9 mi l es . Wha t i s t h e c i rc l e^{'} s a re a ?

解

a re a : 81 π mi l e^{2}

+1

十進法表記

254.46900 \dots

解答ステップ

Given:

r a d i u s : 9 mi l e

指定された円の面積

r = 9 : A = 81 π

a re a : 81 π mi l e^{2}

人気の例

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