Answer:
<h2>
a₃₀ = 120</h2>
Step-by-step explanation:

Not enough information
Explanation: in order for them to be congruent it must have at least two equal sides or 2 equal angles
Answer:
m=-3
Step-by-step explanation:
m2-9=0
2 divied by 9 =3
when you have a positive number and a negitive number =a negitive
I think you get the point
I believe it would be the third option