Question

The measure of angles of a hexagon are x°, (x-5)°, (x-5)°,(2x-5)°,(2x-5)°,(2x+20)°. Find the value of x

Answer 1

The sum of the angles of a hexagon  is 180 degree 
therefore,
x+x-5+x-5+2x-5+2x-5+2x+20=180
9x-20+20=180
9x=180
x=180/9
x=20 degree
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Answer 2

Answer:

x=80

Step-by-step explanation:

Number of sides of regular hexagon =6

Sum of all interior angles =(n−2)×189°

=(6−2)×180°

=4×180°

=720°

Sum of all interior angle =x+x−5+x−5+2x−5+2x−5+2x+20

⇒ 720°=9x

⇒x= 729°/9

x=80°