Question

Above are two different models of the same pentagon. If the length of side b is 22 cm, what is the length of side a?

A.
18.25 cm
B.
5.5 cm
C.
11 cm
D.
27.5 cm

Answer 1

Explanation:

b is 22cm

for this pentagon this represents 22 cm * 3.75 ft / cm = 82.5 ft

For the pentagon on the right

82.5 ft / ( 7.5 ft /cm) = 11 cm = a