(69 points) Need help now, it's the last question on the test.

(23*2)-12=x     x=34

step-by-step explanation:

according to the triangle sum theorem, all the angles in a triangle must add up to 180 degrees. if we know one angle is already 90, we do 180-90=90. the other 2 angles must add up to 90, exactly.

step-by-step explanation:

can you make your screen more see able?

then i might be able to .