Answer:
A) 85x=5865
x=69 Width
B)2(57)+2x=286
114+2x=286
2x=172
x=86
Step-by-step explanation:
9514 1404 393
100°
Arc BC is twice the measure of inscribed angle BEC, so is ...
arc BC = 2×50°
arc BC = 100°
I think E.
