Question

4. A regular pentagon has side lengths given below. Find the length of one side.

4q+1 = 11-q
r+s
s+t-1
3r
a) 9
b) 4
c) 3
d) 2

Answer 1

d)2

Explanation:

you would group-like terms and so

4q+q=11-1

5q=10(you would let q stand on it own)

so you divide through by 5

5q/5=10/5

q=2