The diameter of a circle is 4 cm. Find its area to the nearest tenth.

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Tim Edgar asked Mar 22, 2022

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The diameter of a circle is 4 cm. Find its area to the nearest tenth.

Mathematics
high-school

Tim Edgar asked Mar 22, 2022

by Tim Edgar

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18 votes

Answer:

10 cm²

Explanation:

The radius of this circle is half the diameter hence is 2cm

Area of a circle is pi multiplied by the squared radius, i.e

Area = πr²

= 22/7 × 2 × 2

= 12.57 cm²

The nearest 10th is 10

Rogerkk answered Mar 25, 2022

by Rogerkk

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15 votes

Pretty sure it’s 40 yep

Ben Holness answered Mar 28, 2022

by Ben Holness

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