if the sides of a triangle are 39 cm , 36 cm and 15 cm , what is its area ?
"the triangle with sides 39 cm , 36 cm and 15 cm is right angled , where the hypotenuse is 39 cm . area of the triangle = 1 / 2 * 36 * 15 = 270 cm 2 answer : d"
divide(multiply(36, 15), const_2)