Question

Draw a line segment of length `sqrt5` cm.

Answer 1

Construct a right-angled triangel OAB with

OA = 2 cm,

∠OAB = 90° and

AB = 1 cm

Using OB² = OA² + AB²

OB² = 2² + 1²

OB² = 4 + 1

OB² = 5

OB = `sqrt5`