Question

What is the value of x?



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°

Answer 1

the sum of a pentagon is 720.

minus all of the known angles from 720.

x = 720 - 112- 120 - 133 - 128 - 100

x = 127

Answer 2

Answer = 127 degrees

Firstly, find out how many degrees in total are in the polygon.

(n stands for number of sides)
(n - 2) x 180
(6 - 2) x 180 = 720

Afterwards, subtract that amount by all the given angles.

720 - 112 - 133 - 128 - 100 - 120 = 127 degrees

Hope it helps :D