HARD
8th Jammu and Kashmir Board
IMPORTANT
Earn 100

Find the area of a rhombus whose side is 6 cm and whose altitude is 4.8 cm. If one of the diagonals is 8 cm long and find the length of the other diagonal.

Important Questions on Mensuration

EASY
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>THINK, DISCUSS AND WRITE>Q 1

Why is it incorrect to call the solid shown here a cylinder?

MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>TRY THESE>Q 1

Find the total surface area of the following cuboids.

MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>TRY THESE>Q 1

Find the surface area of cube A and lateral surface of cube B.

 

HARD
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>TRY THESE>Q 1

Find the total surface area of the following cylinders.( Take π=227)

                              

MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>THINK, DISCUSS AND WRITE>Q 1
Note that lateral surface area of a cylinder is the Circumference of the base × height of the cylinder. Can we write lateral surface area of a cuboid as Perimeter of the base × height of the cuboid? 
HARD
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>Exercise>Q 4
Rukhsana painted the outside of the cabinet of measure 1m×2m×1.5m. How much surface area did she cover if she painted all except the bottom of the cabinet?
HARD
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>Exercise>Q 5
Dawood is painting the walls and ceiling of a cuboid hall with length, breadth and height of 15 m,10 m and 7 m respectively. From each can of paint 100 m2 of area is painted. How many cans of paint will she need to paint the room?
MEDIUM
8th Jammu and Kashmir Board
IMPORTANT
MATHEMATICS A TEXTBOOK FOR CLASS 8>Chapter 10 - Mensuration>Exercise>Q 8
The lateral surface area of a hollow cylinder is 4224 cm2. It is cut along its height and formed a rectangular sheet of width 33 cm. If the perimeter of the rectangular sheet is k cm, find k.