Question

find the radius and circumference of a circle whose area is 200.96 cm2

Answer 1

Answer:

Radius = 8 cm

Circumference = 50.24 cm

Step-by-step explanation:

Area of a circle = π x r x r

Taking π to be 3.14, area of the circle is :-

=>3.14 x r x r = 200.96 sq. cm.

=>r x r = 64

=>r = 8

Now, we have got the radius to be 8 cm.

Circumference of a circle = 2πr

= 2 x 3.14 x 8

= 16 x 3.14

= 50.24 cm.

Therefore, the circumference of the circle is 50.24 cm.

Hope it Helps!

Answer 2

$hey \: mate \: here \: is \: ur \: answer \\ \\ area \: = \pi {r}^{2} = 200.96 \\ \\ 3.14 \times {r}^{2} = 200.96 \\ \\ {r}^{2} = 200.96 \div 3.14 \\ \\ {r}^{2} = 64 \\ \\ r = 8 \\ \\ circumference = 2\pi \: r \\ 2 \times 3.14 \times 8 = 50.24 \: cm$

hope this helps u

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