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Phổ biến Word Problems >

The đường kính of a circle is 28 millimeters. What is the circle's area?

Lời Giải

T h e d iam e t er o f a c i rc l e i s 28 mi ll im e t ers . Wha t i s t h e c i rc l e^{'} s a re a ?

Lời Giải

a re a : 196 π m m^{2}

+1

Số thập phân

615.75216 \dots

Các bước giải pháp

Given:

d iam e t er : 28 mm

Diện tích hình tròn đã cho

d = 28 : A = 196 π

a re a : 196 π m m^{2}

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