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Free lessons (Geometry and Measures)
Finding an angle

Topic: Right-angled Trigonometry

Finding an angle


In this lesson we will learn how to calculate any angle in a right angled triangle using trigonometry. Rob takes you to the famous leaning tower of Pisa in Italy where you will calculate the angle of the leaning tower of Pisa using trigonometry. You will also learn how to use your calculator in these types of questions and how to use formula triangles to make this lesson even easier. You must be able to correctly label a triangle in trigonometry for you try this lesson. If not then watch the following lesson: How to label the triangle.


The question covered in this lesson is to calculate the missing angle $\ominus $

Finding an angle

More tutorials on right-angled trigonometry

How to label a triangle
Finding a length
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