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21-06-2021
Mathematics

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Find an area of a circle if the diameter of the circle is 40 cm

Find an area of a circle if the diameter of the circle is 40 cm class=

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mwadood670 mwadood670

21-06-2021

the A will be 1256.64cm 2

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21-06-2021

Answer:

1256cm^2

Step-by-step explanation:

The area of a circle is πr^2.

The radius is half of the diameter, so it's 20 cm.

A=3.14*(20cm)^2

A=3.14*400cm^2

A=1256cm^2

Answer Link

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