Answer: C) exactly one triangle
<u>Step-by-step explanation:</u>
Given: ∠A = 45°, ∠B = 65°, side c = 4 cm
By the Triangle Sum Theorem, ∠C = 70°
Now you have a proportion so you can use the Law of Sines to find the exact length of side a and of side b.

Thus, there is exactly one triangle.
Answer:
Step-by-step explanation:

Answer:
Step-by-step explanation:
a) 20% decrease, b) 25% increase
What to play...... .! It'd is there in the tb
-6n -2n = 16
-8n = 16
n = 16/-8
n = -2
Answer: n = -2