Question

Help. I just need a quick answer. Thank you :)

Answer 1

x = 9

Explanation:

the sum of the 3 angles in the triangle = 180° , that is

45 + 79 + 8x - 16 = 180

8x + 108 = 180 ( subtract 108 from both sides )

8x = 72 ( divide both sides by 8 )

x = 9