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The radius of a circular lens of a magnifying glass is 4 centimeters. What is the area in square centimeters of the glass
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The radius of a circular lens of a magnifying glass is 4 centimeters. What is the area in square centimeters of the glass

User Billb
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1 Answer

7 votes
You said that the radius is 4cm.

We can use the formula for the area of a circle: π x r²

So π x (4)²

is π x 16

= 16π

= 50.3 cm² (aprox).
User Xofer
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8.5k points
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