R. D. Sharma Solutions for Chapter: Mensuration – I (Perimeter and Area of Rectilinear Figures), Exercise 5: OBJECTIVE TYPE QUESTIONS

Each diagonal of a square is $14 \mathrm{cm}$ . Its area is 

The lengths of the diagonals of a rhombus are $8 \mathrm{cm}$ and $14 \mathrm{cm}$. The area of one of $4$ triangles formed by the diagonal is

In the given figure, $\mathrm{ABCD}$ is a parallelogram in which $\mathrm{AD}=21 \mathrm{cm}, \mathrm{DH}=18 \mathrm{cm}$ and $\mathrm{DK}=27 \mathrm{cm}$. The length of side $\mathrm{AB}$ is

In the given figure, $ABCD$ is a parallelogram in which $AD=21 \mathrm{cm}, DH=18 \mathrm{cm}$ and $DK=27 \mathrm{cm}$. The perimeter of the parallelogram is

Find the area of parallelogram given below.

A piece of wire of length $12 \mathrm{cm}$ is bent to form a square. The area of the square is

The area of a right isosceles triangle whose hypotenuse is $16\sqrt{2} \mathrm{cm}$ is

A wire is in the form of a square of side $18 \mathrm{m}$. It is bent in the form of a rectangle, whose length and breadth are in the ratio $3:1$. The area of the rectangle is