2 years ago

If the radius of a coin is 20cm ,find its surface area.

1 answer:

4 0

Answer:

It's surface area is 1257.14cm^2

Step-by-step explanation:

area=22/7×20cm×20cm

=3.14×20cm×20cm

=1257.14cm^2

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7 months ago

olga2289 [7]

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3 years ago

If the radius of a coin is 20cm ,find its surface area.​