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Phổ biến Word Problems >

The radius of a circle is 19 millimeters. What is the circle's chu vi?

Lời Giải

T h e r a d i u s o f a c i rc l e i s 19 mi ll im e t ers . Wha t i s t h e c i rc l e^{'} s c i rc u m f ere n ce ?

Lời Giải

c i rc u m f ere n ce : 38 π mm

+1

Số thập phân

119.38052 \dots

Các bước giải pháp

Given:

r a d i u s : 19 mm

Chu vi hình tròn đã cho

r = 19 : C = 38 π

c i rc u m f ere n ce : 38 π mm

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