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Alexeev081 [22]
3 years ago
11

What happens to the area of the circle when it's radius is doubled?12.57÷3.14radius= 4cm

Mathematics
1 answer:
Anna11 [10]3 years ago
4 0
Area of circle = pi x radius squared where pi = 3.1416 radius = diameter/2 = <span>4/2 = 2 ins Area = 3.1416 x 2 x 2 sq.ins. = 12.5664 sq in.</span>
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