Plz answer this im going to fail the semester :(

                                         Answer and Explanation

__________________________________________________________

__________________________________________________________

The value of x is 20.

We can figure this out by...

__________________________________________________________

but what does x equal?

=

=

Since both are equal to -8, that means = .

Which means that...

x = 20

__________________________________________________________

Hope this helps! <3

__________________________________________________________

each side has a different length.  

step-by-step explanation:

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base