Question

.Perimeter of circle is 220cm .Find the radius of circle.

23.Find the square root of 2·56 by division method.

24.Perimeter of square is 144cm .Find the side of square.

25.The ages of Hari and Ritu are in the ratio 5:7.Four years from now the ratio of their

ages will be 3:4 Find their present ages.

Answer 1

2*π*r=220
2*22/7*r=220
r=35

Answer 2

here is ur ans...
if it helps mark me brainlist