Area by Counting Grids

Q.

The lengths of side of a square of area 64 cm^{2} will be

1. 16cm
2. 8cm
3. 4cm
4. 32cm

Q. the total cost of painting a square wall at rs 5 per sqare metre is rs320 .find the area of the wall

Q. Area of the given figure is square units, if the area of each square is 1 square unit.

1. 10
2. 9
3. 8

Q. Estimate the area of the given figure using the square grid.
(Assume that the area of each square to be 1 sq. centimetre.)

1. 
   26 sq. cm
2. 
   30 sq. cm
3. 
   32 sq. cm
4. 
   35 sq. cm

Q. The length and breadth of a rectangle are 15 m and 12 m respectively. What is the area?

1. $100m^2$
2. $160m^2$
3. $120m^2$
4. $180m^2$

Q.

Find the area of a rectangle whose length and breadth are $25cm$ and $16cm$.

Q. To tile a floor, we need to find the of the floor.

1. perimeter
2. area
3. sum of any two edges

Q.

If the edge length of a square is 'a' units, the area of the square is ___ square units.

1. a
2. a/2
3. 4a
4. 2a

Q. If area of each square in the grid is 1 $c{m}^2$, what is the approximate area of the given figure?

1. 5

Q. A triangle is half of the rectangle. Area of the rectangle is 40 square cm, and then find the area of the triangle?

Q.

A scale model of a merry-go-round and the actual merry-go-round are similar.

1. How many times greater is the base of the actual merry-go-round than the base area of the scale model? Explain.
2. What is the base area of the actual merry-go-round in square feet?

Q.

Calculate the area of given figure:

1. 48
2. 12
3. 28
4. 16

Q.

Write a note on area of the circle.

Q. The area of a rectangular park is 2520 sq.m and its length is 56 m. Calculate the breadth of the park and complete the equation by finding the value of A.

1. A = 35 m
2. A = 45 m
3. A = 55 m
4. A = 65 m

Q. Find the perimeter of a triangle with sides 15 cm, 15 cm and 18 cm.

1. 41 cm
2. 48 cm
3. 34 cm
4. 24 cm

Q. A rectangle made of 15 squares of side 1 cm has area ______.
(1 Mark)

Q.

How to Calculate perimeter of the boxes

Q.

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

Q.

Area of the square MNOP of figure is $144c{m}^2$. Area of each triangle is _______.

Q. The area of the rectangle shown in the figure below is ___.

1. $a\times b$
2. $4\times (a+b)$
3. $a+b$
4. $2\times (a+b)$

Q. A rectangle is cut into two pieces to form two triangles as shown. Calculate the area of each triangle if the area of the rectangle is 50 sq. centimetres.

1. 
   25 sq. cm
2. 
   50 sq. cm
3. 
   100 sq. cm
4. 
   200 sq. cm

Q. If area of each square in the grid is 1 $c{m}^2$, what is the approximate area of the given figure?

1. 5

Q.

What is the area of the closed figure drawn by Rakshit on the sheet with grids of 1 sq mm each? (Consider more than half as $1\text{sq mm}$, less than half as $0\text{sq mm},$ and half as half $\text{sq mm}$.

1. $25\text{sq mm}$
2. $26.5\text{sq mm}$
3. $29.5\text{sq mm}$
4. $28\text{sq mm}$

Q. What is the area of the given shape?

1. $3c{m}^2$
2. $2c{m}^2$
3. $4c{m}^2$
4. $5c{m}^2$

Q.

A rectangle is having an area of 88 cm^{2} and its breadth is 8cm. What will be the length?

1. 22cm
2. 10cm
3. 11cm
4. 44cm

Q. Which of the following figures has larger perimeter?

1. Park
2. Parking lot
3. Both of the figures have same perimeter
4. Cannot be determined

Q. Which of them has a greater area?

1. Figure 1
2. Figure 2
3. None of the above
4. Figure 1 and Figure 2 has the same area

Q. Find the perimeter of the figure given below using the grids (in cm): -

1. 
   10
2. 
   30
3. 
   20
4. 
   25

Q. Find the area of shaded region.

Q.

Find the area of a rectangle whose length is $5.5cm$ and breadth is $3cm.$