512,555 views
28 votes
28 votes
Find the area of this triangle ifC = 77, a = 57, and b = 8.9.

User Yollanda
by
2.7k points

1 Answer

24 votes
24 votes

Using Law of sines:

Area = 1/2 ab sin C

Replacing:

Area = 1/2 √57 (8.9) sin (7pi/12)

Area = 32.5 units2

User Dhyanandra Singh
by
2.9k points