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人気のある Word Problems >

The radius of a 円 is 9 m. Find its area in terms of pipi.

解

T h e r a d i u s o f a c i rc l e i s 9 m . F in d i t s a re a in t er m s o f p iπ .

解

a re a : 81 π m^{2}

+1

十進法表記

254.46900 \dots

解答ステップ

Given:

r a d i u s : 9 m

指定された円の面積

r = 9 : A = 81 π

a re a : 81 π m^{2}

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