Question

locate root 4 on number line...

Answer 1

1. Draw a no. line and take B at 0 and C at 1 i.e. take BC = 1 units with B at 0.
2. Draw AC perpendicular to BC with length 1 units .
3. Join AB and use Pythagoras theorem to find the length of AB which will be ✓2.
4. Keep pointer of compass at B and taking radius as BA draw an arc cutting the number line in point D. AB = BD =✓2.

Answer 2

Answer:

1. toy number line and take B 80 and 81 that is take b = 1 unit with B at 0

2. Draw easy perpendicular to BC with length Si