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Secondary School (English Medium) (5 to 8) Class 8 - CBSE Question Bank Solutions for Mathematics

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Verify Euler's formula for the following polyhedron:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Verify Euler's formula for the following polyhedron:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

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Using Euler's formula find the unknown:

Faces ? 5 20
Vertices 6 ? 12
Edges 12 9 ?
       
[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Which among the following are nets for a cube?

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Name the polyhedron that can be made by folding net:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Name the polyhedron that can be made by folding net:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Name the polyhedron that can be made by folding net:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Name the polyhedron that can be made by folding net:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

A flooring tile has the shape of a parallelogram whose base is 24 cm and the corresponding height is 10 cm. How many such tiles are required to cover a floor of area 1080 m2?

[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined

Name the polyhedron that can be made by folding net:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Name the polyhedron that can be made by folding net:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Dice are cubes where the numbers on the opposite faces must total 7. Which of the following are dice?

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Draw net for the following polyhedron :

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Draw net for the following polyhedron :

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Draw net for the following polyhedron :

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Draw net for the following polyhedron :

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

Match the following figure:

[10] Visualizing Solid Shapes
Chapter: [10] Visualizing Solid Shapes
Concept: undefined >> undefined

The area of a rhombus is 240 cm2 and one of the diagonal is 16 cm. Find another diagonal.

[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined

The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.

[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined

Find the area of a rhombus whose side is 6 cm and whose altitude is 4 cm. If one of its diagonals is 8 cm long, find the length of the other diagonal.

[9] Mensuration
Chapter: [9] Mensuration
Concept: undefined >> undefined
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