Answer:
135
Step-by-step explanation:
540-75-120-120-90=135
x = 135
Total sum of interior angles of a pentagon = 540
75 + 120 + 120 + 90 + x = 540
405 + x = 540
=> Subtract 405 on both sides of "="
Hope this helps!
= x 3048
Trinomial
Hope it helps