Monicaa Abhijit Solutions for Chapter: Understanding Quadrilaterals, Exercise 4: EXERCISE 14.4

$\mathrm{ABCD}$ is a square. Find $x$.

The sides of a rectangle are in the ratio $4:5$. If the perimeter of the rectangle is $90 \mathrm{cm}$, find its sides.

Name the quadrilaterals whose diagonals:

Bisect each other.

Name the quadrilaterals whose diagonals:

Are perpendicular bisectors of each other.

Name the quadrilaterals whose diagonals:

Are equal

$\mathrm{PQRS}$ is a rectangle. Diagonals $\mathrm{PR}$ and $\mathrm{QS}$ meet at point $\mathrm{O}$. If $\mathrm{OP}=2\mathrm{x}+4,\mathrm{OS}=3\mathrm{x}+1$, find $x$ and $\mathrm{QS}$

Identify all quadrilaterals that have:

$4$ sides of equal length.

Identify all quadrilaterals that have:

$4$ right angles