Difference Between Area and Volume – Difference Wiki
Jun 15, 2019· S is the semiperimeter of the triangle and a, b, and c denotes the side lengths of the triangle: Circle: A=πr 2: Here π is the constant usually taken as(22/7 approximately = ) and r is the radius of the circle: Trapezoid: A= (b 1 +b 2)/2 × h: Here b 1 and b 2 is the length of the parallel sides and h is the distance between the two ...