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

Question

asked Jan 18, 2018 140k views

1 Answer

Xofer · Answer 1 · 2018-01-23T11:10:23+0000

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).