Year 9 · Maths

Solve right angled triangle problems in Year 9 Maths

11 checked activities 9 video matches

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Focus on pythagoras theorem and right angled triangle trigonometry. Start with “Calculate Side Lengths on a Triangle Using Trigonometry”, then explain the idea in your own words.

Year 9 learners practise pythagoras theorem and right angled triangle trigonometry.

The activities include Calculate Side Lengths on a Triangle Using Trigonometry, Calculate the Missing Sides of a Triangle Using Pythagoras' Theorem, Find Side Lengths and Angles in Right-angled Triangles, and related practice. The checked support below includes video, worksheet, teaching, lesson. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

Calculate Side Lengths on a Triangle Using Trigonometry
Calculate the Missing Sides of a Triangle Using Pythagoras' Theorem
Find Side Lengths and Angles in Right-angled Triangles
Find Side Lengths on a Triangle Using Trigonometry
Find the Angle Using Trigonometry
Identify Right-Angled Triangles
Identify the Sides of a Right-Angled Triangle
Identify Trigonometric Ratios in Right-Angled Triangles
Recognise the Correct Trigonometric Ratio
Understand Pythagoras Theorem
Use Pythagoras Theorem

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