(50 ) a candy bar box is in the shape of a triangular prism. the volume of the box is 1,200 cubic centimeters. a triangular prism is shown with base of triangle labeled 10 cm, sides of the triangles labeled 13 cm, and length of the box equal to 20 cm. part a: what is the height of the box? show your work. part b: what is the approximate amount of cardboard used to make the sides of the candy box? explain how you got your answer.