What is the perimeter of this rectangle?
A.
21 in.
B.
32 in.
C.
42 in.
D.
52 in.
![What is the perimeter of this rectangle A 21 in B 32 in C 42 in D 52 in class=](https://us-static.z-dn.net/files/d72/df37f2d84969b2a226552dbe1423fabe.jpg)