For two adjacent angles with measures%C2%A0 x° and (x+30)° that make up a 90° angle, what is x ?(1 point) Responses 15 15 20 20 30 30 60

1 answer

If two angles make up a 90° angle, then they are complementary angles. This means that their measures sum up to 90°.

So we can set up the equation:

x + (x+30) = 90

2x + 30 = 90

Subtracting 30 from both sides:

2x = 60

Dividing both sides by 2:

x = 30

Therefore, x is 30°.