Practice30Create account

What is the length of the diagonal of a square of side 5 cm?

Class 9Rectangle, Rhombus and SquareGeometry — Quadrilaterals
  • A10 cm
  • B5√2 cm
  • C5 cm
  • D25 cm

Step-by-Step Solution

Diagona, so diagonal = √50 = 5√2 cm (about 7.07 cm). 10 cm just doubles the side.
Answer: B) 5√2 cm

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Rectangle, Rhombus and Square practice questions

More Class 9 Rectangle, Rhombus and Square practice

In rhombus ABCD, ∠ABC = 110°. Diagonal BD is drawn. Find ∠ABD.Which special quadrilateral is a parallelogram with equal diagonals?A quadrilateral's diagonals bisect each other at right angles. It must be a:If the diagonals of a quadrilateral are equal and bisect each other at right angles, the…A rhombus has one angle of 90°. What is it?