3. Geometry and Trigonometry

Sine Rule, Cosine Rule, And Area Of A Triangle — Quiz

Test your understanding of sine rule, cosine rule, and area of a triangle with 5 practice questions.

Practice Questions

Question 1

Which formula is the Sine Rule for a triangle with side lengths $a$, $b$, and $c$ opposite angles $A$, $B$, and $C$?

Question 2

Which formula is the Cosine Rule?

Question 3

What is the area of a triangle with sides $a$ and $b$ and included angle $C$?

Question 4

In a triangle, which situation is most suitable for using the Sine Rule first?

Question 5

A triangle has angles $A=30^\circ$ and $B=60^\circ$. What is angle $C$?