Question

Help DUE TOMORROW !determine the amount of cardboard needed to make a box for a single slice of pizza. The box is in the shape of a triangular, prism as shown. Giving 88 points if correct answer

Answer 1

148 in²

Explanation:

The box is made up of two triangles and three rectangles. The formula for the rectangles is length times width. The formula for the triangles is one-half base times height.

RECTANGLES: (lxw)

7x2=14

12.5x2=25

12.5x2=25

TRIANGLES: (1/2bh)

1/2x12x7=42

1/2x12x7=42

Add together to get the sum of the surface area:

14+25+25+42+42=148 inches squared