Question

Solve for y in the following diagram if you are given that a // b.

Answer 1

Answer:

is it 90..... not so sure

Answer 2

Answer:

80°

Step-by-step explanation:

Given: 1st angle= (y-10)°

2nd angle= 100°

and a||b.

so; by adding both the angles,

we get:

=>(y-10)°+100°=180 (Corresponding

angles)

=>y-10+100=180

=> y+90=180

=>y=180-90

∴ y=90°.

Now, A/Q. 1st angle= (y-10)°

90-10=80.

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