Ineed to find the measure of each angle. i don't know where or how to start?

40°

Step-by-step explanation:

Every triangle adds up to 180°

So to get the angle of the triangle we already have two values of:

Then since it's at a 90° angle we can subtract 50 to get:

40° as the other part of the right angle.

And applying the 180 rule again:

add an image, and i will answer

step-by-step explanation:

30 people weigh 160 pounds or more