state gov DDA Junior Secretariat Assistant (JSA) Mock Test 2023 Quantitative Aptitude Geometry Quadrilaterals
Bisectors of two adjacent angles A and B of a quadrilateral ABCD intersect each other at a point P. Which one of the following is correct?
1
2∠APB = ∠C + ∠D
2
∠APB = ∠C + ∠D
3
∠APB = 180° - (∠A + ∠B)
4
∠APB = 180° - (∠C + ∠D)