Math, asked by manish3841, 3 months ago

the radius of two circles are 9cmand12cm find the radius of circle of a circle whose area is equal to the sum of the areas of these two circles

Answers

Answered by babu1982

0

Step-by-step explanation:

PlZ give me brainliest answer

Answered by yokeshps2005

1

Answer:

Area of first circle =81π

Area of 2nd circle =144π

Area of 3rd circle =255π

Let radius of 3rd circle =R

∴πR

2

=225π

R

2

=225

R=15

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