Math, asked by Hamma9490, 1 year ago

The radius of a circle is increased by 200% .the area of circle will ne increased by

Answers

Answered by tejasri2
15
let the radius of circle be x

Area = πr2

200% INCREASED

New radius = 200x/100

= 2x

New area = π(2x)²

= 4πx²

The area will be increased by four times or 400%


Hope it helps u : )
Answered by AbhishGS
3
as area of circle is =#r.sq.
: . area of circle is directly proportional to square of its radius.
: . area of circle is #×200/100
=2#
means radius circle if increases 200percent then its area will 2pi.
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