Question

in a triangle an exterior angle is 110 degrees on earth interior opposite angle is 80 degree find the measure of angle triangle​

Answer 1

Step-by-step explanation:

Let the angle be X and y

1) Exterior angles= sum of two interior opposite angles

110⁰=80⁰+x

X = 110⁰-80⁰

X = 30⁰

2) Sum of three angles of a triangle is 180⁰

80⁰+X+Y= 180⁰

80⁰+ 30⁰+ Y = 180⁰

110⁰+Y = 180⁰

Y= 180⁰- 110⁰

Y = 70⁰