Answer:
15
Step-by-step explanation:
If two angles are complementary, they add up to 90 degrees.
So ∠1 + ∠2 = 90.
Which means that:
x + 3x + 30 = 90
Continue to simplify.
4x + 30 = 90
4x = 60
x = 15
The measure of angle 1 is 15.
90 - 15 = 75
The measure of angle 2 is 75.
