∠1and ∠2 are a linear pair, and ∠2 and ∠3 are vertical angles. m∠1=(3y+10)∘ and m∠3=(5y−30)∘. What is m∠2?

Step-by-step explanation:

It is given that ∠1 and ∠2 are a linear pair. So, there sum is 180 degrees.

   ...(1)

∠2 and ∠3 are vertical angles. So, both are equal.

    ...(2)

From (1) and (2), we get

Substitute and in the above equation.

Divide both sides by 8.

The value of y is 25.

Using equation (2), we get

Substitute y=25.

Therefore, .

a

step-by-step explanation:

i need the pts ignore this answer

(c, 0) i might be wrong so don't put full faith on my answer