Question

An exterior angle of triangle is 80° and two opposite angles are equal.What will be the angle?​

Answer 1

Answer:

Step-by-step explanation:

Exterior angle is sum of its opposite angle.

Opposite angles are equal

So 80/2 each opposite angle is of 40 degree

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Answer 2

Answer:

40 degrees

Step-by-step explanation:

let one angle be x

so other angle also become x

now,

x+x=80                        ------------------> ext. angle property

2x=80                    

x=80/2

x=40

thus angle is 40 degrees