Question

the combined area of the two circle is 308 cm² find the perimeter of the rectangle.
take π = 22/7
please solve step by step
I know the answer but not the solution
answer = 84cm
​

Answer 1

Answer:

Area of two equal circle is 2 x πr^2

=> 2 x 22/7 x r x r = 308

=> r^2 = 308/2 x 7/22

=> r^2 = 49

=> r = √49

r = 7

Now,

2r = diameter of circle = length of rectangle

length = 14cm

radius of circle = breath radius of rectangle=7cm

Perimeter of rectangle = 2(l+b)

= 2 (14+7)

= 2 x 21

= 42cm.

Perimeter of Rectangle = 42 cm

Step-by-step explanation:

I hope it's useful

Make it as Braineist Answer

Thank you (ㆁωㆁ)