PrepWisePrepWiseMathematics
Geometry & MeasuresMedium Exam FrequencyAQAEdexcelOCRWJEC

Pythagoras' Theorem

Revise Pythagoras' Theorem in Geometry & Measures for GCSE Mathematics with 17 exam-style questions and 3 flashcards. This topic appears regularly enough that it should be part of a solid GCSE revision cycle.

Study this topic

1

The Ancient Discovery

Introduction2

The Formula

Key Facts3

Worked Example: Finding the Hypotenuse

Notes

Sample Flashcards

Pythagoras Theorem
a² + b² = c² where c is hypotenuse
Pythagoras' Theorem
a² + b² = c² (where c is the hypotenuse)

Sample Questions

In a right-angled triangle with legs a and b and hypotenuse c, which formula is Pythagoras' theorem?

  • A. a + b = c
  • B. a² + b² = c²
  • C. a² − b² = c²
  • D. a × b = c²
1 markfoundation

A triangle has sides of length 5 cm, 12 cm, and 13 cm. Explain how you can tell, without measuring any angles, whether this triangle contains a right angle.

2 marksstandard

17

exam-style questions

3

revision flashcards

Ready to revise Pythagoras' Theorem?

Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.

Join Alpha

Previous topic

Surface Area

Next topic

Pythagoras in 3D