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Phổ biến Word Problems >

The diameter of a circle is 15 cm. Find the chu vi to the nearest to the nearest tenth.

Lời Giải

T h e d iam e t er o f a c i rc l e i s 15 c m . F in d t h e c i rc u m f ere n ce t o t h e n e a res t t o t h e n e a res t t e n t h .

Lời Giải

c i rc u m f ere n ce : 15 π c m

+1

Số thập phân

47.12388 \dots

Các bước giải pháp

Given:

d iam e t er : 15 c m

Chu vi hình tròn đã cho

d = 15 : C = 15 π

c i rc u m f ere n ce : 15 π c m

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