Question

The measures of a hexagon are x∘, (x-5)∘,(x-5)∘, (2x-5)∘, (2x-5)∘, (2x+20)∘
Find the value of x

Answer 1

Answer:

Step-by-step explanation:

sum of all angle of the hexagon is 120*6=720

x∘+ (x-5)∘ + (x-5)∘ + (2x-5)∘ + (2x-5)∘ + (2x+20)∘=720

9x + 20 - 20=720

9x=720

x=80