Jenny has a gift box shaped like a triangular prism. Each side of the base is 12 cm. The triangular base has a height of 10.4 cm. The prism is 68 cm tall. Find the amount of the gift wrap needed to cover the box

Mathematics · High School · Tue Nov 03 2020

Answered on

Given :

Side = 12 cm

Height of base= 10.4 cm

Area of base = 1/ 2 × side × height of base

= 1/ 2 × 12 × 10.4 

= 62.4 cm²

Volume of triangular prism =  Area × height of prism

= 62.4 × 68

= 4243.2 cm³

 

Hence, Volume of triangular prism is 4243.2 cm³.