Answer:
48 degrees
Explanation:
1) Solve for x
Complementary angles add up to 90 degrees. Therefore, m<A + m<B is equal to 90:
Open up the parentheses
Subtract 20 from both sides
Divide both sides by 5
Therefore, x is equal to 14.
2) Determine angle A
Substitute x with 14
Therefore, the measure of angle A in degrees is 48 degrees.
I hope this helps!