
The brick has only the plane surface.

Important Questions on Geometrical Concepts
Pick out the shapes with curved and flat surfaces from the given picture and complete the table.
Curved and Flat surfaces |
|



Pick out the shapes with curved surfaces from the given picture and complete the table.
Curved surfaces |
|

Put a tick mark in the appropriate columns.
Shapes | Plane surface | Curved surface | Plane surface and curved surface |
![]() |

Give three properties of the plane.

The surface of water in a swimming pool, when calm, represents a plane.

Observe the picture and count the number of curved lines.

Put a tick mark in the appropriate columns.
Shapes | Plane surface | Curved surface | Plane surface and Curved surface |
![]() |


Put a tick mark in the appropriate columns.
Shapes | Plane surface | Curved surface | Plane surface and curved surface |
![]() |

Put a tick mark in the appropriate columns.
Shapes | Plane surface | Curved surface | Plane surface and Curved surface |
![]() |


Pick out the shapes with flat surfaces from the given picture and complete the table.
Flat surfaces |
|





Put a mark in brackets against the correct statement and a cross against the incorrect statement in the following statements:
Column | Column |
Globe | P. Plane |
Steel Almirah | Q. Plane and curved |
Cucumber | R. Curved |
Iron pipe | |
Cone | |
Surface of blackboard | |
Solid cylinder | |
Glass ball |

Put a tick mark in the appropriate columns.
Shapes | Plane surface | Curved surface | Plane surface and curved surface |
![]() |

