Answer: length = 27 cm
Step-by-step explanation:
Perimeter = 2(l + w)
86 = 2(l + 16)
86 = 2l + 32
86 - 32 = 2l
l = 54/2 = 27 cm.
Using linear pairs,
By the exterior angle theorem,
Answer:
-5x - 4
<u><em>Hope this helps!!! :)</em></u>