3. Geometry and Trigonometry
Non Right-angled Trigonometry — Quiz
Test your understanding of non right-angled trigonometry with 5 practice questions.
Practice Questions
Question 1
In a triangle with sides $a$, $b$, and $c$ opposite angles $A$, $B$, and $C$, which rule is used to find an unknown side when two sides and the included angle are known?
Question 2
Which statement best describes when the sine rule is especially useful?
Question 3
A triangle has sides $7$ and $9$ with included angle $60^\circ$. What is the exact value of the unknown third side squared?
Question 4
Which formula gives the area of a triangle when two sides and the included angle are known?
Question 5
In the sine rule $\frac{a}{\sin A}=\frac{b}{\sin B}=\frac{c}{\sin C}$, what does side $a$ correspond to?