Answer :
Length of unknown side = x
36 = 14 + 2x
Subtract 13 from both sides
22 = 2x
Divide by 2 on both sides to isolate for x
11 = x
11 cm
36 = 14 + 2x
Subtract 13 from both sides
22 = 2x
Divide by 2 on both sides to isolate for x
11 = x
11 cm