Free Printable Grade 8 November CP : Mensuration

1.

The formula to find the curved surface area of a right circular cylinder =

a)

$\pi r^2$

b)

$\pi r^2h$

c)

$2\pi rh$

d)

$2\pi r\left(h+r\right)$

2.

Fill in the blanks:
1 m² = ___________ cm²

a)

100

b)

10000

c)

1000

d)

500

3.

Say 'TRUE' or 'FALSE'
The perimeter of square of area 36 cm² is 24 cm.

a)

TRUE

b)

FALSE

4.

The side of a square whose perimeter is 64 cm is __________

a)

32 cm

b)

8 cm

c)

16 cm

d)

12 cm

5.

Choose the correct formula to find the area of rectangle.

a)

$l\times b\times h$

b)

$\frac{b\times h}{2}$

c)

$l\times b$

6.

$l\times l\$ This formula is to find area of

a)

square

b)

trapezium

c)

traingle

7.

The side of a cube whose surface area is 600 cm² is____

a)

10 cm

b)

10 cm²

c)

60 cm

d)

6 cm

8.

1. What is the area of a rhombus if the lengths of the diagonals are 12cm and 14cm?

a)

84cm

b)

54cm

c)

24cm^2

d)

84cm^2

9.

Area of trapezium is equal to

a)

$base\ \times\ height$

b)

$\frac{1}{2}\ \times base\times height$

c)

$\frac{1}{2}\times\left(a+b\right)\times h$

d)

$\frac{1}{2}\times d\times\left(h_1+h_2\right)$

10.

Lateral surface area of cube , whose side measures 5 cm, is

a)

$150\ cm^2$

b)

$125\ cm^2$

c)

$25\ cm^2$

d)

$100\ cm^2$

11.

How many faces does a cuboid have?

a)

12

b)

10

c)

6

d)

8

12.

If a cuboid has length = 5 cm, breadth= 4 cm and height = 3 cm, then its base area is equal to?

a)

12 sq cm

b)

15 sq cm

c)

20 sq cm

d)

60 sq cm

13.

Which faces of cuboid have the same area?

a)

top and bottom

b)

front and back

c)

side faces

d)

all of these

14.

Area of circle is equal to

a)

πr²

b)

2πr

c)

πr³

d)

4πr

15.

Area of parallelogram is equal to

a)

length x breadth

b)

1/2(base)(height)

c)

side x side

d)

base x height

16.

The circumference of a circle is also the ______________ of a circle.

a)

area

b)

perimeter

c)

volume

17.

Ravi painted the outside of a box on all sides except the bottom. If the box measures 2m x 1m x 1.5m, how much surface did he paint?

a)

13 sq m

b)

26 sq m

c)

11 sq m

d)

9 sq m

18.

Find the area of the quadrilateral

a)

216 sq cm

b)

64 sq cm

c)

312 sq cm

d)

156 sq cm

19.

Two cubes of side 3 cm are fixed together. Find the total surface area of the new solid formed.

a)

60 sq cm

b)

90 sq cm

c)

120 sq cm

d)

110 sq cm

20.

1.A parallelogram has one side 18 cm and its distance from the opposite side is 8 cm. The area of the parallelogram is

a)

120cm2^{ }

b)

$72\ cm^2$

c)

$144\ cm^2$

d)

$100\ cm^2$

21.

The area of a triangle is given by the formula ____________.

a)

\frac{1}{3} \times base \times height

b)

\frac{1}{2} \times base \times height

c)

base \times height

22.

If the length of a rectangle is doubled and the width remains the same, how does the area change?

a)

It triples

b)

It quadruples

c)

It doubles

d)

It remains the same

23.

If the radius of a circle is halved, how does the area change?

a)

It remains the same

b)

It halves

c)

It quarters

d)

It doubles

24.

Calculate the area of a triangle with a base of 10 cm and a height of 5 cm.

a)

15 cm²

b)

30 cm²

c)

50 cm²

d)

25 cm²

25.

If the side of a square is tripled, how does the area change?

a)

It increases nine times

b)

It triples

c)

It remains the same

d)

It quadruples

Grade 8 November CP : Mensuration

Total questions: 25

Worksheet time: 3hrs 23mins

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