Find the Volume of a triangular prism with a height of 5cm and a base that is a regular triangle with sides of 3cm.

Question

anonymous · Answer

@85295james

anonymous · Answer

Yo come to this one @85295james

anonymous · Answer

The volume of a rectangular prism can be found by the formula: 
volume=length*width*height

anonymous · Answer

how do i plug it in?

anonymous · Answer

@85295james

anonymous · Answer

http://www.mathwarehouse.com/solid-geometry/triangular-prism/formula-volume-triangular-prism.php

anonymous · Answer

the area of any triangle is 1/2bxh.
The area of a triangular prism is this x 5cm.
Using the pythagorean theorem we know that
(1/2(3))^2 + h^2 = 3^2
2.25 -9 = -h^2
6.75 = h^2
(6.75)^1/2 = h = 2.598
Therefore the volume = (1/2)x(3)x(2.598)x(5) = 19.49 cubic cm.

anonymous · Answer

No decimals xD ill write it down