$\"\"$

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.