if the sides of a triangle are 21 cm , 19 cm and 5 cm , what is its area ?
"the triangle with sides 21 cm , 19 cm and 5 cm is right angled , where the hypotenuse is 21 cm . area of the triangle = 1 / 2 * 19 * 5 = 47.5 cm 2 answer : d"
divide(multiply(19, 5), const_2)