Area

Q.

Find the least number of square tiles required to pave the ceiling of a room $15m17cm$ long and $9m2cm$ broad.

Q. A room, 6 m wide and 8 m long, is to be covered with square tiles. If each square tile is of side 2 m, then find the number of tiles required to cover the entire floor of the room.

1. 44
2. 52
3. 18
4. 12

Q. The region enclosed by the boundary of a closed planar figure is called its _____.

1. perimeter
2. diagonal
3. area
4. volume

Q.

In an auditorium, the number of rows is equal to the number of chairs in each row. If the capacity of the auditorium is 2025, find the number of chairs in each row.

1. 40

2. 35

3. 45

4. 90

Q.

Write down the CGS and SI Unit of area. What is the relation between the CGS and SI unit of area ?

Q. What is the amount of surface enclosed by a closed figure called?

1. Volume
2. Area
3. Space
4. Perimeter

Q.

A tile is a square of side $30cm$. Find the number of tiles required to cover the floor of a square room of side $3m$.

Q.

Question 10

Fill in the blank to make the statement true.

The amount of region enclosed by a plane closed figure is called ___ .

Q. The two-dimensional space taken up by a closed figure is called its .

1. Height
2. Volume
3. Area
4. Perimeter

Q. What are the characteristics of a point?

Q. The area of a rectangular sheet of paper is 20 cm². Its length is 5 cm. Find its width.
Also find the perimeter of that sheet

Q. Sabina wants to cover the floor of her room whose length
is 4 m and breadth is 3 m by square tiles. If each square
tile is of side 20 cm, then find the number of tiles required
to cover the floor of her room.
[3 marks]

Q. The area of rectangle ABCD is 10 $c{m}^2$ and that of the shaded region is 20 $c{m}^2$. The breadth of the rectangle PQRS is 5 cm. Find the perimeter of the rectangle PQRS.

Q. The region outside the circle is called________________

Q.

Calculate the area of the given shape.

1. $56c{m}^2$
2. $18c{m}^2$
3. $20c{m}^2$
4. $54c{m}^2$

Q. Find the area of the given figure.

1. $28c{m}^2$
2. $16c{m}^2$
3. $24c{m}^2$
4. $14c{m}^2$

Q.

Find the area of figure given below (in sq. inches). Given that the area of the triangular region is 6 sq inches.

1. 48

2. 84

3. 64

4. 96

Q. The total cost of tiling a rectangular room at ₹8.50 per sq. metre is ₹510. If the length of the room is 8 m, then find the breadth.

1. 5.7 cm
2. 6.7 cm
3. 7.6 m
4. 7.5 m

Q. The amount of surface enclosed by closed figure is called its area.

1. True
2. False

Q. The floor of a room is in the shape of a square. If the length of one of its side is 4 m, then find the cost of carpeting the room at the rate of ₹ 40 per square meter.

Q.

Which unit of measurement will you use to find the area of farmland.

Q. How do you convert 0.5 m to cm

Q.

Question 25

The region given in the following figure is measured by takingas a unit. What is the area of the region ?

Q.

Write the SI unit of area.

Q. If the length and breadth of rectangle is 10x cm and 15y cm respectively, then its area is _____$c{m}^2$.

1. 100xy
2. 150xy
3. 110xy
4. 130xy

Q.

Which of the following can be the units of area?

1. m²

2. cm²

3. km²

4. m³

Q.

Find the area of the following figure (in sq. inches).

​​

1. 9

2. 18

3. 27

4. 36

Q. The area of rectangle ABCD is 10 $c{m}^2$ and that of the shaded region is 20 $c{m}^2$. The breadth of the rectangle PQRS is 5 cm. Find the perimeter of the rectangle PQRS.

Q. If the side of one square is the diagonal of a second square, what is the ratio of the area of the first square to the area of the second?

1. 2
   
2. $1/2$
   
3. $2\sqrt{2}$
4. $\sqrt{2}$
   

Q.

The magnitude of a plane region is called its ____