Right-Angled Triangle Review: Pythagorean Theorem and Trigonometric Ratios

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This chapter focuses on right-angled triangles, exploring key concepts like the Pythagorean Theorem and trigonometric ratios (SOH-CAH-TOA) to find lengths and angles. Common right triangle lengths such as 3-4-5, 5-12-13, and 7-24-25 are also discussed. For classwork and homework, refer to Chapter Review on page 414 (Multiple Choice Q1-15), page 415 (Short Answer Q1-14), and page 416 (Extended Response Q1-4). This thorough review aids in mastering the core principles of trigonometry applicable to both right and non-right angled triangles.

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May 17, 2026

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Right-Angled Triangle Review: Pythagorean Theorem and Trigonometric Ratios

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Trigonometry Review CHAPTER 8
RIGHT-ANGLED TRIANGLE To find lengths and angles: Pythagoras Theorem: SOH-CAH-TOA Some common triads are: • 3, 4, 5 • 5, 12, 13 • 7, 24, 25
NON-RIGHT ANGLED TRIANGLES
NON-RIGHT ANGLED TRIANGLES