The base of a triangle is 3 cm and the height is 5 cm. What mathematical operation(s) described must be performed in order to fi
nd the area of this triangle? A) multiply 3 and 5
B) add 3 and 5, then divide the sum by 2
C) multiply 3 and 5, then divide the product by 2
D) use the Pythagorean theorem to find the missing sides of the triangle and then add the three sides together