Question : PQR is a triangle. The bisectors of the internal angle
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution :
The exterior angle property of a triangle i.e. the exterior angle of a triangle is equal to the sum of the interior opposite angle of a triangle.
In
⇒ 2b = 2a +
In
⇒ b = a + 40 --------------------------- (2)
Put the value of b in equation (1)
2(a + 40) = 2a +
⇒ 2a + 80
⇒ 80
⇒
Hence, the correct answer is 80
