Paper 1 · Number Theory
⏱ Tested in 1 exam question since 2022
Lesson 4 of 5
Number Theory 4 Construct √2
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- Construct a length of √2 with ruler, set square and compass
- Build a right triangle with two unit legs so the hypotenuse is √2
- Prove |AC| = √2 with Pythagoras' theorem (page 16 of the tables)
- Show visible maths-set work — freehand constructions score zero
Most recent exam questions
- 2022 Paper 2 Q6(a) — prescribed Strand 3 construction — √3 via two overlapping circles (the "vesica piscis" c…
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