Evaluate the diagram below.
find the values of x and y.

Answer:
x = 22 degrees.
y = 40 degrees.
Step-by-step explanation:
The inside angles add up to 180 degrees, therefore:
6x + 4x - 40 = 180
10x = 180 + 40 = 220
x = 22 degrees
In the same way:
3y + y + 20 = 180
4y = 160
y = 40 degrees.