Question

Alexander's back yard is in the shape of a pentagon. The perimeter is 134 meters. Four of the sides measure 20,21,32 and 35 meters. What is the length of the fifth side?
Ms. Sue
Add: 20 + 21 + 32 + 35 = ?

Subtract that total from 134.
Kameron
26
Anonymous
I am not so sure but i think it's 21