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The diameter of a circle is 20 cm. Calculate the area and the circumference of this circle.
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12 votes
The diameter of a circle is 20 cm. Calculate the area and the
circumference of this circle.

User ZhouQuan
by
7.1k points

1 Answer

7 votes

Answer:

A≈314.16cm²

Explanation:

A=1

4πd2=1

4·π·202≈314.15927cm²A=πr2

d=2r

User Sinhix
by
6.4k points
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