Question

What is the measure of angle c?

Answer 1

53+77+c=180 ( interior angles of a triangle add up to 180.)
130+c=180
c= 180-130
c= 50 degrees

Answer 2

50 degrees

Explanation:

Interior angle sum of a triangle is 180 degrees.

let's call <c, x

x+53+77=180

x+130=180

x=50