Question

Can someone please help me?

Answer 1

C

Explanation:

4a+10=180

4a=170

a=42.5

42.5*2=85

Answer 2

Answer: C. 85.0 degrees

Step-by-step explanation: First you find a using the equation they gave you. A=42.5. Then you plug it into the measures of the angles. But just by looking at the angles you can tell 2a would be the largest so you just plug a in there and you get your answer!