What this quiz covers

Grade 9 Theorem of Pythagoras Quiz 1 draws its questions at random from 24 questions across these topics:

• The hypotenuse
• Stating the theorem
• Finding the hypotenuse
• Finding a shorter side
• Pythagorean triplets
• Classifying triangles
• Rounding
• Perimeter
• Composite figures
• Real-life problems
• The commonest mistake
• When the theorem applies

Example questions

A sample of the questions you will practise in this quiz. Work them out yourself - the full solution appears after you answer each one.

1. In a right-angled triangle, which side is the hypotenuse?
2. Complete the theorem: in a right-angled triangle, the square on the hypotenuse is equal to ...
3. A right-angled triangle has legs of 6 cm and 8 cm. Calculate the hypotenuse.
4. The hypotenuse of a right-angled triangle is 13 cm and one leg is 5 cm. Calculate the other leg.
5. Is 8; 15; 17 a Pythagorean triplet?