Question

22.If a and b are linear pair and a-b = 80°,then the values of a and b are
*a=50° and b = 130°
*a=130° and b = 50°
*a=20° and b = 140°
*a=150° and b = 30°​

Answer 1

Answer:

a=130 b=50

Step-by-step explanation:

130-50=80

and 130+50=180

linear pair mean both the angles must be 180

but in first option it's 50-130=-80 Deg direction chages so option b

Answer 2

Answer:

a=130°and b=50°

Step-by-step explanation:

given a-b=80° let us take a is equal to 130 degree and b is equal to 50 degree show 130 degree - 50 degree that is 80 degree and also given that A and B are linear pair show a + b is equal to 180 degree and 130 degree Plus 50 degree is equal to 180 degree matching 2 to a + b is equal to 180 degree