'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 1

EASY

8th CBSE

IMPORTANT

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Find the area of the rhombus in ${cm}^{2}$ , length of whose diagonals are given here.

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Important Questions on Perimeter and Area of Plane Figure

EASY

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 1

Find the area of the rhombus in ${cm}^{2}$ , length of whose diagonals are given here.

Question Image

EASY

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 1

Find the area of the rhombus in $m^{2}$ , length of whose diagonals are given here.

Question Image

MEDIUM

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 2

The length of one of the diagonals of a rhombus is

5 cm

less than the length of the other diagonal. The area of the rhombus is

33 {cm}^{2}

. Find the length of each diagonal.

MEDIUM

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 3

A rhombus has perimeter of

100 m

and a diagonal

30 m

long. Find the area of the rhombus (in

m^{2}

).

MEDIUM

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 4

The floor of a building consists of

2000

tiles which are rhombus shaped and each of its diagonals are

40 cm

and

25 cm

in length. Find the total cost (in

₹

) of polishing the floor if the cost per

m^{2}

is

₹ 15

.

HARD

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 5

Find the altitude of the Rhombus (in

cm

, correct to one decimal place) whose area is

315 {cm}^{2}

and one diagonal is

30 cm

.

MEDIUM

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 6

Find the area of a tile in the shape of a Rhombus whose diagonal are of

24 cm

and

10 cm

. Also, find the cost of

500

tiles if the cost of

1 {cm}^{2}

of the tile is

₹ 2

.

MEDIUM

8th CBSE

IMPORTANT

'I Did It' Mathematics>Chapter 11 - Perimeter and Area of Plane Figure>Exercise 11.3>Q 7

Find the perimeter and area of Rhombus in which the diagonals are

6 cm

and

8 cm

.