Answer:
79 degrees
Step-by-step explanation:
First, you want to find the interor angles.
Since there are 180 degrees in a triangle...180-(27+52)=101 degrees
And the bottom line is a straight line so it's equal to 180 degrees as well.
180-101=79 degrees
Answer:
-83/20
Step-by-step explanation:
Find a variable with equal or opposite coefficients, if equal then subtract the equations but if opposite then add, solve one variable equation left, and then substitute known variable into other equation and solve