Problem: if the sides of a triangle are 20 cm , 12 cm and 16 cm , what is its area ?
Rationale: "the triangle with sides 20 cm , 12 cm and 16 cm is right angled , where the hypotenuse is 20 cm . area of the triangle = 1 / 2 * 12 * 16 = 96 cm 2 answer : option d"
annotated_formula: divide(multiply(12, 16), const_2)