Math, asked by laluapatel456, 4 months ago


a) If the radius of a circle is doubled, find the total increase in its area.​

Answers

Answered by swarupa70
0

Answer:

the area of circle is πr^2

if the radius of the circle is doubled (2r) then

the new area of the circle will be π(2r)^2

which will be equal to π4r^2 or πr^2*4

that means the new area will be 4times greater than the area before.

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