Question

the area of disc is 616 square cm then its perimeter is​

Answer 1

Step-by-step explanation:

hope it will help you..

Answer 2

Step-by-step explanation:

disc is in the shape of circle

area of circle-πr²

616=πr²

616=22/7r²

616×7/22=r²

56×7/2=r²

28×7=r²

196=r²

r=√196

r=14 cm

now,perimeter of disc= 2πr

=2×22/7×14

=44×2=88cm

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