The use of sine and cosine could give you the angle measuments of the triangle, along with the use of tangent. Not only could it give you the angle measurements but the lengths of the sides.
Answer:
will do
Step-by-step explanation:
Opposite angels are congruent (D = B). Consecutive angles are supplementary (A + D = 180°)
I think the answer is 22.5 if i get it wrong please resound back to me
