5. Trigonometry

Laws Of Triangles — Quiz

Test your understanding of laws of triangles with 5 practice questions.

Practice Questions

Question 1

Which of the following is the correct formula for the Law of Sines?

Question 2

In a triangle, if $ a = 7 $, $ b = 9 $, and $ A = 40^\circ $, which formula would you use to find the angle $ B $?

Question 3

If a triangle has sides $ a = 8 $, $ b = 6 $, and $ c = 10 $, which formula can be used to find the angle opposite side $ c $?

Question 4

In triangle ABC, if $ A = 60^\circ $, $ B = 45^\circ $, and $ a = 10 $, what is the length of side $ b $?

Question 5

In a triangle, $ a = 5 $, $ b = 7 $, and $ C = 120^\circ $. What is the length of side $ c $?