Question

Can someone help me fast

Answer 1

w = 4°

Explanation:

the sum of the 3 angles in a triangle = 180°

sum the 3 angles , equate to 180 and solve for w

9w + 16w + 20w = 180 ( simplify left side )

45w = 180 ( divide both sides by 45 )

`(45)/(45)` w =
`(180)/(45)` , that is

w = 4°