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I need help with number 1 asap plz

I need help with number 1 asap plz-example-1

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diameter = radius x 2
radius in the given question is = 16/2
= 8
the area = πr²
A = 3.14 x( 8)²
A= 3.14 x 64
A = 200.96 (ans)
User Pistachio
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