True or i can’t figure out how to set up the proportion

This is true because a triangle must add up to 180 degrees and we are given 2 angles per triangle, one is 90. 52 + 38 = 90 and 90+90=180

This is true

Hope this helps!

step-by-step explanation: you take each of the numbers and divide by the amount then you take the range

the answers are in the images, i received 100% on this assignment. hope this !