The Pythagorean Theorem
Unknown Grade45 min
Learning Objective
I can use the Pythagorean Theorem (a² + b² = c²) to find the length of a missing side of a right triangle when given the other two sides.
Lesson Flow
Watch Video
GCSE Maths - Pythagoras' Theorem And How To Use It
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Practice
7 questions • Short answer
Exit Ticket
“A right triangle has legs of length 7 cm and 9 cm. What is the length of the hypotenuse? Show your working. A right triangle has a hypotenuse of length 15 m and one leg of length 12 m. What is the length of the other leg? Show your working. ”
Teacher Guide
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