Math, asked by vinodkrsri007, 8 months ago

the radius of a circle is 14 cm find the radius of a circle whose area is 4 times the area of the given circle. please answer digiya.

Answers

Answered by puja486

3

Answer:

28cm

Step-by-step explanation:

Hope this will help you..

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Answered by priyanshidug1999

2

Answer:

radius=14

area=π14×14

=22/7×14×14

=616

4times of area=4×616

=2464

2464=πR×R

R×R=2464×7/22

R×R=112×7

r=28

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