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馃搻 Mathematics 15 minLesson 23 of 50
Pythagoras Theorem Basics
This theorem allows you to calculate hidden distances on maps and construction plans.
What you will learn
- The theorem only applies to right-angled triangles.
- The sum of the squares of the two shorter sides equals the square of the hypotenuse.
- The hypotenuse is always the longest side opposite the right angle.
GCSE Maths - Pythagoras' Theorem And How To Use It (2026/27 exams)
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Practice sheets
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Recall drill
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Interactive quiz
Question 1 of 1In a triangle with sides 3 and 4, what is the hypotenuse?
