Answer:
only a
Step-by-step explanation:
<span>Triangles exist:
</span>3 acute angles<span>
2 acute angles, 1 right angle
</span><span>2 acute angles, 1 obtuse angle
</span>
Triangles DON'T exist for:
<span>1 acute angle, 1 right angle, 1 obtuse angle
</span><span>1 acute angle, 2 obtuse angles</span>
Answer:

Step-by-step explanation:
Assume your triangle has the dimensions shown below.
Before we can use the Law of Sines, we must find ∠C.
1. Calculate ∠C

2. Calculate b
Use the Law of Sines

rise over run
you can remember it doing the vertical over horizontal