Question

9. Fill in the blanks:-
i. Plane figure is also called_________________
ii. A solid shape that has only a curved surface is called a ________________
iii. A _______________ is a solid who bases are identical polygon faces and other faces are rectangles.
iv. A pyramid is a solid whose base is a flat __________________ figure and whose side faces are triangles having a common vertex outside the surface of the ______________
v. A triangular pyramid in which all faces are equal is called ______________________
vi. A ________________ of a solid figure demonstrates how it is constructed by showing its sides, faces and vertices.
vii. To make a solid from a sheet of flat paper, we need to construct a ______________
viii. A line where two faces of a solid meet is called its ___________

Answer 1

SOLUTION

TO FILL IN THE BLANKS

i. Plane figure is also called_____________

ii. A solid shape that has only a curved surface is called a ________________

iii. A ___________ is a solid who bases are identical polygon faces and other faces are rectangles.

iv. A pyramid is a solid whose base is a flat __________________ figure and whose side faces are triangles having a common vertex outside the surface of the _____________

v. A triangular pyramid in which all faces are equal is called _________________

vi. A ____________ of a solid figure demonstrates how it is constructed by showing its sides, faces and vertices.

vii. To make a solid from a sheet of flat paper, we need to construct a ______________

viii. A line where two faces of a solid meet is called its ___________

EVALUATION

i. Plane figure is also called 2d figure

ii. A solid shape that has only a curved surface is called a sphere

iii. A Prism is a solid who bases are identical polygon faces and other faces are rectangles.

iv. A pyramid is a solid whose base is a flat rectangular figure and whose side faces are triangles having a common vertex outside the surface of the base

v. A triangular pyramid in which all faces are equal is called regular tetrahedron

vi. A net of a solid figure demonstrates how it is constructed by showing its sides, faces and vertices.

vii. To make a solid from a sheet of flat paper, we need to construct a net

viii. A line where two faces of a solid meet is called its edge

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