Question

The area of a circle is 616 cm. Find its
22
diameter. T =
7
22​

Answer 1

Answer:

Area of circle = 616 cm²

=> πr² = 616

=> 22/7 × r²= 616

=>r² = 616×7 /22

=>r² = 196

=> r = √196

=> r = 14 cm

Diameter = 2×r

= 2×14

= 28 cm