Find the radius of a circle given the ratio of perimeter to area is 14:5 Ans: 5/7 units Find the perimeter of a semicircle with area 32π square units Ans:8π units Find the area of a triange with the length of the sides 6,8,10 units Ans: 24 square units Find the volume of a cube of side 3 units . Ans: 27 cubic units