Practice Finding An Angle (5.2) - Trigonometry Basics - IB 10 Mathematics – Group 5, Geometry & Trigonometry
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Finding an Angle

Practice - Finding an Angle

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

If the opposite side is 4 cm and the adjacent side is 3 cm, what is the angle?

💡 Hint: Remember to use tangent for opposite and adjacent sides.

Question 2 Easy

What angle corresponds to sin⁻¹(0.5)?

💡 Hint: Think about the values of sine for common angles.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What indicates an angle when given two sides of a triangle?

Trigonometric Ratios
Basic Geometry
Pythagorean Theorem

💡 Hint: Think about how we use side lengths.

Question 2

True or False: You can only find angles in right-angled triangles.

True
False

💡 Hint: Consider the definition of trigonometric ratios.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

A 15 ft tall ladder reaches a window. The bottom of the ladder is 9 ft from the wall. What angle does the ladder make with the ground?

💡 Hint: Draw a diagram to visualize.

Challenge 2 Hard

In a right triangle, if the hypotenuse is 25 cm, and the opposite side is 15 cm, find the angle at the base.

💡 Hint: Remember the sine function relates to the opposite side.

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Reference links

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