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SingaporeMathsQuick questions
Mensuration and Trigonometry
Quick questions on Pythagoras' theorem explained: N(A)-Level Mathematics Mensuration and Trigonometry
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is finding the hypotenuse?Show answer
When the two shorter sides are known and the hypotenuse is missing, add the squares and take the square root:
What is finding a shorter side?Show answer
When the hypotenuse and one shorter side are known, rearrange to subtract:
What is identifying the hypotenuse?Show answer
The hypotenuse is always opposite the right angle and is always the longest side. Spotting it correctly is the most important step, because it decides whether you add or subtract.
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