Question

In a parallelogram, two sides are each length 12, and the perimeter is 36, what is the length of the remaining sides?

f) 3
g) 4
h) 6
j) 18
k) 24

Answer 1

P=2a+2b
P=36
a=12
36=2*12+2b
36=24+2b
36-24=2b
12=2b
b=6
So, the length of the remaining sides is 6 each.