Practice Finding A Side (5.1) - Trigonometry Basics - IB 10 Mathematics – Group 5, Geometry & Trigonometry
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Finding a Side

Practice - Finding a Side

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Calculate the hypotenuse if the opposite side is 3 cm and the angle is 30°.

💡 Hint: Remember the formula for sine.

Question 2 Easy

If the adjacent side is 4 cm and the angle is 60°, what is the length of the hypotenuse?

💡 Hint: Use the cosine function.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the sine of an angle in a right triangle?

Opposite/Hypotenuse
Adjacent/Hypotenuse
Hypotenuse/Opposite

💡 Hint: Remember the basic definition of sine.

Question 2

True or False: The adjacent side of a right triangle is opposite the right angle.

True
False

💡 Hint: Visualize the triangle to clarify the position of sides.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A right triangle has an angle of 30° and a hypotenuse of 15 cm. Calculate the lengths of both the opposite and adjacent sides.

💡 Hint: Applies both sine and cosine functions.

Challenge 2 Hard

Given an opposite side of 9 cm and an adjacent side of 12 cm, find the angle θ using the tangent function.

💡 Hint: Use the inverse tangent function.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.