Plz
2. in the figure, ∠4 is an exterior angle to aul

(a) explain why m∠4 is equal to the sum of the measures of the two nonadjacent interior angles.

(b) what is m∠4 ?

The answer in the procedure

Step-by-step explanation:

Part A)

we know that

The measures of interior angle in a triangle must be equal to 180 degrees

In the triangle AUL

-----> by supplementary angles

The sum of the two nonadjacent interior angles is equal to

therefore

m<4 is equal to the two nonadjacent interior angles

Part B) ----> see the Part A)

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