What is the perimeter of this equilateral triangle?

A.
12 in.

B.
18 in.

C.
24 in.

D.
36 in.

C. 24 in.

Chris plans to put a trim around his poster. Which of the following shows the correct amount of trim to cover the perimeter?

A.
4 ft.

B.
6 ft.

C.
8 ft.

D.
10 ft.