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Phổ biến Word Problems >

The bán kính of a circle is 7 cm. Find its area in terms of pipi.

Lời Giải

T h e r a d i u s o f a c i rc l e i s 7 c m . F in d i t s a re a in t er m s o f p iπ .

Lời Giải

a re a : 49 π c m^{2}

+1

Số thập phân

153.93804 \dots

Các bước giải pháp

Given:

r a d i u s : 7 c m

Diện tích hình tròn đã cho

r = 7 : A = 49 π

a re a : 49 π c m^{2}

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