S K Gupta and Anubhuti Gangal Solutions for Chapter: Area of a Trapezium, a Polygon and Semicircle, Exercise 5: Chapter Assessment

What is the area of a rhombus whose diagonals are $(\mathrm{x}+2) \mathrm{cm}$ and $(\mathrm{x}-7) \mathrm{cm}$.

A $16 \mathrm{m}$ by $24 \mathrm{m}$ rectangular section of a wall is to be covered by square tiles that measure $2 \mathrm{m}$ on each side. If the tiles are not cut, how many of them are needed to cover this section of the wall.

The area of a rhombus is $1080 {\mathrm{m}}^2$ and one of its diagonals is $72 \mathrm{m}$. What is the perimeter of the rhombus?

The area of trapezium $\mathrm{ABCD}$ is $60 {\mathrm{cm}}^2$. What is the length of $\mathrm{BC}$ ?

The area of a trapezium is $385 {\mathrm{cm}}^2$. Its parallel sides are in the ratio 3: 4 and the perpendicular distance between them is $11 \mathrm{cm}$. Its longer side is

The area of a regular hexagon whose each side is $10 \mathrm{cm}$ is

In the figure given below the side of the square is $10 \mathrm{cm}.\mathrm{EF}=2.5 \mathrm{cm}$ and C and D are halfway! between the top and bottom sides of the figure. What is the area of the shaded portion?

The readings of a field book are given below in metres. What is the area of the field?