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Step-by-step Answer
PAGE: 26SET: ExercisesPROBLEM: 73
Please look in your text book for this problem Statement

In a triangle PQR, are angle bisectors and the angle .

The equation is .

The total of the three angles in a triangle is .

From the triangle PQR, .

Subtract 74 from each side.

.

Observe the figure the figure, .

.

The option A is correct answer.



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