Class 7 Mathematics | Irrational Numbers

Activity 15.1

What you needSquared paper, a ruler, compasses, a sharp pencil. A calculator for the last step only.

MethodDraw a square of side 10 cm, draw a diagonal, measure it, then swing it down onto a number line with compasses.

The pointThe compass lands on an exact point, so the length certainly exists. Then check what the calculator says.

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