Question

the area of a circle is 394.24cm find the area of the circumference​

Answer 1

Answer:

The area of Circle = 394.24

πr^2 = 394.24

22/7 x r^2 = 394.24

r^2 = 394.24*7/22

r^2 = \sqrt{125.44}125.44

The radius of circle (r) =  11.2

Now,

The Circumference of Circle = 2πr

                                                = 2 x 22/7 x 11.2

The Circumference of Circle = 70.4

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Answer 2

Area = 394.24cm²

πr² = 394.24

r² = 394.24/.14

r² = 125.5

r = 11.2cm

Circumference = 2πr

= 2 × 3.14 × 11.2

Circumference= 70.33cm