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Phổ biến >

The area of a circle is 0.5024 square millimeters. What is the circle's chu vi?

Lời Giải

The area of a circle is 0.5024 square millimeters. What is the circle's circumference?

Lời Giải

c i rc u m f ere n ce : 2.51 mm

Các bước giải pháp

Given:

a re a : 0.5024 m m^{2}

Bán kính đường tròn đã cho

A re a = 0.5024 : r = 0.39989 \dots

Chu vi hình tròn đã cho

r = 0.39989 \dots : C = 2.51263 \dots

c i rc u m f ere n ce : 2.51 mm

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