3. Geometry and Trigonometry
Right-angled Trigonometry — Quiz
Test your understanding of right-angled trigonometry with 5 practice questions.
Practice Questions
Question 1
In a right-angled triangle, which side is always opposite the $90^\circ$ angle?
Question 2
Which trigonometric ratio is defined as $\frac{\text{opposite}}{\text{hypotenuse}}$ in a right-angled triangle?
Question 3
A right-angled triangle has legs of lengths $3$ and $4$. What is the length of the hypotenuse?
Question 4
If $\sin \theta = \frac{1}{2}$ for an acute angle $\theta$, what is the exact value of $\theta$ in degrees?
Question 5
Which statement best describes the adjacent side in a right-angled triangle, relative to a chosen acute angle?