Question

∠3 and ∠4 are supplementary angles. If ∠3 measures 50°, what is the measure of ∠4​

Answer 1

130

Explanation:

Supplementary angles are angles that are equal to 180 degree so if one is 50 degrees then the other must be added to it and get 180

180= 50 + ∠4​

-50 -50

130=∠4​