For two adjacent angle measures x° and (x+30)° that make up a 90° angle what is x

1 answer

To find x, we need to set up an equation based on the given information.

A 90° angle is a right angle. We know that the sum of the measures of the two angles in a right angle is 90°.

So, x° + (x + 30)° = 90°

Simplifying the equation, we get:
2x + 30 = 90

Subtracting 30 from both sides, we have:
2x = 90 - 30
2x = 60

Dividing both sides by 2, we get:
x = 60/2
x = 30

Therefore, x is equal to 30.