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人気のある Word Problems >

The radius of a circle is 20 ft. Find its 円周 in terms of pipi.

解

T h e r a d i u s o f a c i rc l e i s 20 f t . F in d i t s c i rc u m f ere n ce in t er m s o f p iπ .

解

c i rc u m f ere n ce : 40 π f t

+1

十進法表記

125.66370 \dots

解答ステップ

Given:

r a d i u s : 20 f t

指定された円周

r = 20 : C = 40 π

c i rc u m f ere n ce : 40 π f t

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