Question

The measures of two angle is a triangle
is 30 and 40°
and 40° Find the measure of
thired angle​

Answer 1

Answer:

110 degree

Step-by-step explanation:

sum of all angles of triangle = 180 degree

let 3rd angle be x

so 40 + 30 + x = 180

70 +x = 180

x = 180 -70

x = 110 degree