if the sides of a triangle are 30 cm , 28 cm and 12 cm , what is its area ?
"the triangle with sides 30 cm , 28 cm and 12 cm is right angled , where the hypotenuse is 30 cm . area of the triangle = 1 / 2 * 28 * 12 = 168 cm 2 answer : e"
divide(multiply(28, 12), const_2)