one side of a rectangular field is 15 m and one of its diagonal is 17 m . find the area of field ?
"other side = [ ( 17 x 17 ) - ( 15 x 15 ) ] = ( 289 - 225 ) = 8 m area = 15 x 8 = 120 sq . m answer : b"
rectangle_area(15, sqrt(subtract(power(17, const_2), power(15, const_2))))