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8th CBSE
IMPORTANT
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A polyhedron with least number of faces is known as a triangular pyramid.

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Important Questions on Visualising Solid Shapes

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8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 45
Regular octahedron has 8 congruent faces which are isosceles triangles.
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 46
Pentagonal prism has 5 pentagons.
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 47
Every cylinder has 2 opposite faces as congruent circles, so it is also a prism.
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 48
Euler's formula is true for all three-dimensional shapes.
EASY
8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 49
A polyhedron can have 10 faces, 20 edges and 15 vertices.
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8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 50

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EASY
8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 51
The number of edges in a parallelogram is 4.
MEDIUM
8th CBSE
IMPORTANT
NCERT Exemplar Mathematics - Class 8>Chapter 6 - Visualising Solid Shapes>Exercise>Q 52
Every solid shape has a unique net.