Pythagoras' Theorem
T
Applying Pythagoras to problems
Push a bit harder. Apply what you know to less familiar problems.
Mathematics · Medium
5
questions · ~4 min · 3 hints each (−5 pts)
Confidence tracking, 3-tier hints and instant feedback.
What you'll learn
Each question helps you build key knowledge and skills.
- 1Use Pythagoras to check whether a triangle is right-angled by comparing a²+b² to c².
- 2Pythagoras can find distances between coordinates by forming a right-angled triangle.
- 3Round answers to a sensible degree of accuracy (often 1 or 2 dp) when the result isn't exact.
- 4Always identify the hypotenuse first before applying the formula.
Question mix
A mix of question types to build your skills.
- Fill the gap×3
- True / False×2
Different question types help you think in different ways.
How it works
A simple 3-step process
- 1
Rate your confidence
Tell us how sure you feel before answering. It helps us understand your starting point.
- 2
Use hints if stuck
Get up to 3 helpful hints per question. Each hint costs 5 Treasure Points.
- 3
See what went wrong
Get instant feedback with clear explanations, so you can learn and improve.
Ready when you are
This takes about 4 minutes.

