Question

if two angle of a triangle is 40 degree and 80 degree then what is the measure of third angle​

Answer 1

/_120

Step-by-step explanation:

if two angle of a triangle is 40 degree and 80 degree then what is the measure of third angle

/_120

Answer 2

Answer:

Angle sum property = sum of sides = 180

So let the third side be =x

80+40+x=180

X=180-120

X=60°