Question

2
Exterios angle therom
with statement.​

Answer 1

Step-by-step explanation:

The exterior angle theorem states that if a triangle's side gets an extension, then the resultant exterior angle would be equal to the sum of the two opposite interior angles of the triangle. According to the Exterior Angle Theorem, the sum of measures of ∠ABC and ∠CAB would be equal to the exterior angle ∠ACD.

Answer 2

Exterior Angle Theorem

The measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles of the triangle.

m∠4=m∠1+m∠2

Proof :

Given: ΔPQR

To Prove: m∠4=m∠1+m∠2

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