Question

the answer to this question is 85. first solve the problem, then use conplete sentences, at least 5 sentences to describe the steps involved in solving the problem. What theorem did you use?

Answer 1

Angle 1 and Angle 2 are vertical angles.

Vertical Angles are equal.

So, we can write:

`x+50=3x-20`

Lets solve this:

`\begin{gathered} 3x-x=50+20 \\ 2x=70 \\ x=(70)/(2) \\ x=35 \end{gathered}`

Angle A:

x + 50

x is 35, so

35 + 50 = 85

Angle A is 85 degrees