Question

16. Represent √4 on a number line.​

Answer 1

Answer:

$\sqrt{4 =} 2$

Answer 2

Step-by-step explanation:

• Draw a no. line and take B at 0 and C at 1 i.e. take BC = 1 units with B at 0.

• Draw AC perpendicular to BC with length 1 units .

• Join AB and use Pythagoras theorem to find the length of AB which will be ✓2.

• Keep pointer of compass at B and taking radius as BA draw an arc cutting the number line in point D. AB = BD =✓2.

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