Question

plz find the answer ​

Answer 1

Answer:

*Don't know*

Step-by-step explanation:

hoping it's helpful

Answer 2

Answer:

Let the interior angles be x and 3x 

We know that exterior angle of triangle is equal to sum of interior opposite angles.

⇒x+3x=80∘⇒4x=80∘⇒x=20∘

So the angles are 

x=20∘3x=3×20∘=60∘