Pythagoras' Theorem
Learn how to use Pythagoras' Theorem, , to find missing sides in right-angled triangles. Let's get started! 🚀
Video Lesson
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Flashcards
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🛎️ Pythagoras' Theorem
- Only works in a right-angled triangle
- The square of the hypotenuse equals the sum of the squares of the other two sides:
🛎️ Finding a Missing Side in a Triangle
- Identify the hypotenuse first (the side opposite the right angle)
- Substitute the known lengths into , then solve
🛎️ Finding the Distance Between Two Points
- Draw a right-angled triangle using horizontal and vertical distances
- Use Pythagoras to find the diagonal distance:
🛎️ Using Pythagoras in 3D Shapes
- Break the problem into two right-angled triangles
- Apply Pythagoras twice to find the longest diagonal
Practice Questions
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Interactive Activity
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