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Phổ biến Word Problems >

The radius of a circle is 4 miles. What is the chu vi?Give the exact answer in simplest form.

Lời Giải

T h e r a d i u s o f a c i rc l e i s 4 mi l es . Wha t i s t h e c i rc u m f ere n ce ? G i v e t h e e x a c t an s w er in s im pl es t f or m .

Lời Giải

c i rc u m f ere n ce : 8 π mi l e

+1

Số thập phân

25.13274 \dots

Các bước giải pháp

Given:

r a d i u s : 4 mi l e

Chu vi hình tròn đã cho

r = 4 : C = 8 π

c i rc u m f ere n ce : 8 π mi l e

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