For two adjacent angles with measures x° and (x+30)° that make up a 90° angle, what is x?(1 point)
Responses
30
30
60
60
15
15
20
We know that the sum of two adjacent angles that make up a 90° angle is 90°. Therefore, we can set up the equation:
x + (x+30) = 90
Simplifying the equation:
2x + 30 = 90
Subtracting 30 from both sides:
2x = 60
Dividing both sides by 2:
x = 30
Therefore, x = 30°.