Question

in the given figure angle a and angle b form a linear pair ,if a-b = 100 then a and b are ​

Answer 1

Step-by-step explanation:

B is correct ans

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Answer 2

Answer:

a=140°

b=40°

option D is correct

Step-by-step explanation:

a+b=180°(As a, b form linear pair)

=>a=180°-b

Therefore

=>a-b=100(given)

=>(180-b)-b=100( putting value as per above equationa=180°-b)

=>180-b-b=100

=>180-2b=100

=>180-100=2b

=>80=2b

=>80/2=b

=>40=b

So the value of b =40°

and

the value of a =180-b=180-40=140°