Area of Regular Objects

Q. What will happen to the area of rectangle, if its length is tripled and breadth is made one-third?

1. Area is tripled.
2. Area becomes one-third.
3. Area remains same.
4. Area is halved.

Q.

Which unit of measurement will you use to find the area of a plot of land for the construction of a house.

Q.

The SI unit of area is ___________.

Q.

The SI unit of area is hectare.

1. True
2. False

Q. A square and a rectangle has similar area. If the length of the rectangle is $16cm$ and the side of the square is $8cm$, what is the breadth of the rectangle ?

1. $3cm$
2. $4cm$
3. $5cm$
4. $6cm$

Q. The area of a rectangular piece is $36c{m}^2.$ If its width is $4cm$, find its length.

1. $8cm$
2. $7cm$
3. $10cm$
4. $9cm$

Q.

The length of rectangular field is 120 m and the breadth is $\frac{3}{4}th$ of its length. Find the area of the field.

Q.

What do you understand by area? State its SI unit.

Q.

The units of area are $m^2,m^3,c{m}^{2}andhectare.$

1. True
2. False

Q. The area of a rectangle perfectly enclosing 12 squares of side 1 m and 2 squares of side 2 m is.

1. $18{\text{m}}^2$
2. $15{\text{m}}^2$
3. $20{\text{m}}^2$

Q. If a rectangle has an area of $44c{m}^2$, with breadth of $4cm$. What is the length of the rectangle?

1. $7cm$
2. $8cm$
3. $10cm$
4. $11cm$

Q. Identify the units for measuring area.

1. $k{m}^2$
2. $m^2$
3. $foo{t}^2$
4. $c{m}^2$
5. $m{m}^2$
6. $m^3$
7. $m$
8. $k{m}^3$

Q.

A rectangle is three times as long as it is wide. The perimeter is $36\text{in}$ What is the length of each side?

Q. If each side of a square of side $a$, is doubled, the new area is:

1. $a^2$
2. $a^4$
3. $4a^2$
4. $4a^4$

Q.
The area of the above rectangle is ___________ sq. units.

1. $44$
2. $88$
3. $120$
4. $130$

Q. The area of a rectangle of length $11cm$ and width equal to half its length will be:

1. $33c{m}^2$
2. $0.065c{m}^2$
3. $22c{m}^2$
4. $60.5c{m}^2$

Q. The area of a rectangle of length l and breadth b is given as:

1. l x b
2. 2 x l x b
3. l + b
4. 2 x (l+b)

Q.

If the length of a rectangle is doubled, then how should breadth be altered to keep the area unchanged?

Q. What is the area of a rectangle of length 6 cm and width 5 cm?

1. 10 square centimetre
2. 20 square centimetre
3. 30 square centimetre
4. 40 square centimetre

Q. The area of a square whose each side is equal to $1km$ is $1k{m}^2$.

1. True
2. False

Q. SI unit of area is ____.

1. centimetre
2. square centimetre
3. metre
4. square metre

Q. Length of a rectangular room is $5m$. If the area of the room is $35m^2$, then find the width of the room.

1. $4m$
2. $6m$
3. $7m$
4. $8m$

Q.

A room is $4m$ wide and $5m50cm$ long. How many square centimeters of carpet will be required to cover its floor?

Q.

The unit of area is square metre .

1. True
2. False

Q.

The amount of surface covered by an object…………

Q. Which of the following unit expresses area of a surface?

1. km/h
2. cubic metre
3. litre
4. square metre

Q. If each side of a square of side $a$ is tripled, what is the area of the new square formed?

1. $4a^2$
2. $9a^2$
3. $\frac{1}{2}{a}^2$
4. $a^2$

Q. The area of a rectangular field is $16900c{m}^2$. Find the length if breadth of the field is $100cm$.

1. $100cm$
2. $120cm$
3. $130cm$
4. $169cm$

Q. Which of the following unit is used for the area of a surface?

1. $km{h}^{-1}$
2. $m^2$
3. $m^3$
4. $\text{Litre}$

Q. is a unit of volume.

1. m
2. m${}^2$
3. m${}^3$