Question

Natasha is measuring the angles of a triangle. She measures the first two angles and gets 60° and 80°. What should be the measure of the third angle? *

1 point

Answer 1

the total measure of interior angles of a triangle is 180°. with this in mind and if we already know to of the angles, then all we have to do is subtract the sum of the other two angles from 180°. so 60°+80°=140°. 180°-140°=40°. so the measure of the third angle is 40°. hope this helps!