Introduction to Mensuration

Q.

Find area of the parallelogram of base 10 cm & altitude 5 cm as shown in the figure.

1. 25 ​

2. 45

3. 100

4. 50

Q.

The longer side of a parallelogram is 81 cm and the corresponding altitude is 16 cm. If the length of shorter side is 24 cm, what is the altitude corresponding to the shorter side?

1. 36 cm

2. 48 cm

3. 54 cm

4. 24 cm

Q.

Perimeter of a rectangle is equal to ____________

Q. A rectangular piece of land measures 70 m by 50 m. Each side is to be fenced with wire. The length of the wire needed is ______.

Q.

The perimeter of a regular hexagon is 18 cm.​ What is the length of one of its sides?​

1. 2 cm
2. 4 cm
3. 3 cm
4. 1 cm​

Q.

Find the perimeters and area of the parallelograms given in figure. [3 MARKS]

Q.

DL and BM are the heights on sides AB and AD respectively of parallelogram ABCD. If the area of the parallelogram is 1470 ${cm}^2$, AB = 35 cm and AD = 49 cm, find the length of BM and DL. [4 MARKS]

Q. A square shaped park ABCD of side $100m$ has two equal rectangular flower beds each of size $10m\times 5m$. Length of the boundary of the remaining park is ​

Q.

To find area, any side of a parallelogram can be chosen as _____ of the parallelogram.

Q.

State whether the statements are true or false.

a) Every parallelogram is a rhombus.

1. True
2. False

Q. Find the area of the given trapezium.

1. 200 sq. cm
2. 202 sq. cm
3. 204 sq. cm
4. 206 sq. cm

Q.

In the given figure, the measurements are given in cm. Its perimeter is

1. $124cm$

2. $76cm$

3. $124c{m}^2$

4. $124m$

Q. Say True or False.
All the sides of a parallelogram are of equal length.

1. True
2. False

Q. Label the area of the different parts of the given trapezium.

1. 10 sq m
2. 15 sq m
3. 10 sq m

Q. A kitchen floor has 25 tiles in an area of 5 square feet. How many tiles are in 1 square foot?

1. 5
2. 25
3. 125
4. 30

Q. You see a stone tablet of area 4 sq m inside the museum. If the area of a plate is 1/4 of a square meter, find how many plates can be arranged on the tablet.

1. 4
2. 8
3. 16
4. 12

Q. Find the area of the trapezium.

1. 12 sq. m
2. 40 sq. m
3. 26 sq. m
4. 32 sq. m

Q.

Find the perimeter of the figures drawn below.

(All lengths are in cm.)

Q.

If the radius of a circle is 35, what is the diameter?

1. 75

2. 105

3. 35

4. 70

Q.

Find the perimeter of the figures drawn below.

(All lengths are in cm.)

Q. Label the area of the different parts of the given trapezium.

1. 10 sq m
2. 15 sq m
3. 10 sq m