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人気のある Word Problems >

The 円周 of a circle is 20pi in. What is the area, in square inches?

解

T h e c i rc u m f ere n ce o f a c i rc l e i s 20 π in . Wha t i s t h e a re a, in s q u a re in c h es ?

解

a re a : 100 π i n^{2}

+1

十進法表記

314.15926 \dots

解答ステップ

Given:

c i rc u m f ere n ce : 20 π in

指定された円の半径

C i rc u m f ere n ce = 20 π : r = 10

指定された円の面積

r = 10 : A = 100 π

a re a : 100 π i n^{2}

人気の例

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