Question

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

15
15

20
20

30
30

60

Answer 1

The sum of the two adjacent angles that make up a 90° angle is 90°. Therefore, we have the equation:

x + (x + 30) = 90

Simplifying the equation, we have:

2x + 30 = 90

Subtracting 30 from both sides:

2x = 60

Dividing both sides by 2:

x = 30

Therefore, the value of x is 30.