Question

State and prove exterior angle
sum property​

Answer 1

Answer:

Exterior Angle Property of a Triangle Theorem

Exterior Angle Property of a Triangle TheoremTheorem 2: If any side of a triangle is extended, then the exterior angle so formed is the sum of the two opposite interior angles of the triangle. In the given figure, the side BC of ∆ABC is extended.

Answer 2

Answer:

here is your answer hope it helps ☺️

Step-by-step explanation:

Exterior Angle Property of a Triangle Theorem

Theorem 2: If any side of a triangle is extended, then the exterior angle so formed is the sum of the two opposite interior angles of the triangle. In the given figure, the side BC of ∆ABC is extended.