Question

plz pl Plz answer
its a question of class 9​

Answer 1

Answer:

90

Step-by-step explanation:

Its too easy bro

you know that the sum of interior angles of two parallel lines are 180 degree

then if both the lines are bisecter and it would be 90 degree

Then by using angle sum property of a triangle we can find angle APB that is equal to 90 degree

also in the figure angle APB show 90 degree