Answer:
Perimeter of Triangle sum of all sides.
=13 cm
It's

because this choice made the most since.
Answer:
13. 16+16-16+16x = 16+16x
Answer:
The volume of the prism is 
Step-by-step explanation:
we know that
The volume of the prism is equal to

where
B is the area of the triangular base
L is the length of the prism
we have

<em>Find the area of the base B</em>
The area of a equilateral triangle is equal to


substitute
