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Question
Give three examples from your environment of:
(i) Points
(ii) Portion of a line
(iii) Plane surface
(iv) Portion of a plane
(v) Curved surfaces
(i) Points
(ii) Portion of a line
(iii) Plane surface
(iv) Portion of a plane
(v) Curved surfaces
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Solution
(i) Three examples of points are:
The period at the end of a sentence, a pinhole on a map and the point at which two walls and the floor meet at the corner of the room
(ii) Three examples of portion of a line are:
Tightly stretched power cables, laser beams and thin curtain rods
(iii) Three examples of plane of a surface are:
The surface of a smooth wall, the surface of the top of a table and the surface of a smooth white board
(iv) Three examples of portion of a plane are:
The surface of a sheet of a paper, the surface of a calm water in a swimming pool and the surface of a mirror
(v) Three examples of curved surfaces are:
The surface of a gas cylinder, the surface of a tea pot and the surface of an ink pot
The period at the end of a sentence, a pinhole on a map and the point at which two walls and the floor meet at the corner of the room
(ii) Three examples of portion of a line are:
Tightly stretched power cables, laser beams and thin curtain rods
(iii) Three examples of plane of a surface are:
The surface of a smooth wall, the surface of the top of a table and the surface of a smooth white board
(iv) Three examples of portion of a plane are:
The surface of a sheet of a paper, the surface of a calm water in a swimming pool and the surface of a mirror
(v) Three examples of curved surfaces are:
The surface of a gas cylinder, the surface of a tea pot and the surface of an ink pot
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