Draw the plan for the information given below : (Scale 20 m = 1 c m ) Metre to C 140 To D 50 100 60 40 to B To E 30 40 From A

We have, (Scale 20 m = 1 c m ) Metre to C 140 To D 50 100 60 40 to B To E 30 40 From A If scale 20 m = 1 c m Then, 140 m = 7 c m 100 m = 5 c m 60 m = 3 c m 20 m = 1 c m Then, the plan for the information given is

Put a tick mark in the appropriate columns. Shapes Plane surface Curved surface Plane surface and Curved surface

We need to find the surface of the given figure. A plane surface is a flat, two-dimensional surface that extends infinitely far. The curved surface is a rounded surface which is not flat. Therefore, the shape in the question is cuboid. In geometry, a cuboid is a convex polyhedron bounded by six quadrilateral faces, whose polyhedral graph is the same as that of a cube. Hence, 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

We need to find the surface of the given figure. A plane surface is a flat, two-dimensional surface that extends infinitely far. The curved surface is a rounded surface which is not flat. Therefore, the shape given in the question is cylinder. A cylinder has traditionally been a three-dimensional solid, one of the most basic of curvilinear geometric shapes. It is the idealized version of a solid physical tin can having lids on top and bottom. Hence, 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

We need to find the surface of the given figure. A plane surface is a flat, two-dimensional surface that extends infinitely far. The curved surface is a rounded surface that is not flat. Therefore, the shape given in the question is a cone. A cone is a three-dimensional geometric shape that tapers smoothly from a flat base to a point called the apex or vertex. Hence, 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

We need to find the surface of the given figure. A plane surface is a flat, two-dimensional surface that extends infinitely far. The curved surface is a rounded surface which is not flat. Therefore, the shape given in the question is cube. In geometry, a cube is a three-dimensional solid object bounded by six square faces, facets or sides, with three meeting at each vertex. Hence, Shapes Plane surface Curved surface Plane surface and Curved surface

Put a mark in brackets against the correct statement and a cross against the incorrect statement in the following statements: Column A Column B 1 . Globe P. Plane 2 . Steel Almirah Q. Plane and curved 3 . Cucumber R. Curved 4 . Iron pipe 5 . Cone 6 . Surface of blackboard 7 . Solid cylinder 8 . Glass ball

We know that, Flat surfaces are called plane surfaces. The objects having plane surfaces are called plane objects. The curved surface is a rounded surface that is not flat. The surface of a ball, or an apple, or orange is a curved surface. Column A Column B 1 . Globe curved 2 . Steel Almirah Plane 3 . Cucumber curved 4 . Iron pipe curved 5 . Cone Plane and curved 6 . Surface of blackboard Plane 7 . Solid cylinder Plane and curved 8 . Glass ball curved Hence, the required answer is as shown above.

The inner surface is a plane surface

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Draw the plan for the information given below :

(Scale $20 m = 1 c m$ )

	Metre to $C$
	$140$
To $D 50$	$100$
	$60$	$40$ to $B$
To $E 30$	$40$
	From $A$

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

_____ straight line can be drawn through two points in the plane.

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

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

Question Image

Curved and Flat surfaces

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

An angle that measure

0 °

is called _______.

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

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

Question Image

Curved surfaces

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Give three properties of the plane.

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

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

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Observe the picture and count the number of curved lines.

Question Image

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

_____ number of lines can be drawn from a point lies on a plane. (Finite/ infinite)

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Put a tick mark in the appropriate columns.

Shapes	Plane surface	Curved surface	Plane surface and Curved surface

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Put a tick mark in the appropriate columns.

Shapes	Plane surface	Curved surface	Plane surface and curved surface

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Put a tick mark in the appropriate columns.

Shapes	Plane surface	Curved surface	Plane surface and curved surface

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

The surface of a sphere is _____.

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

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

Question Image

Flat surfaces

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

There are _____ points on a line lies on a plane. (innumerable/ numerable)

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Put a tick mark in the appropriate columns.

Shapes	Plane surface	Curved surface	Plane surface and Curved surface

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Give four examples of plane objects and curved objects.

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Cotyledons are also called-

EASY

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

A sheet of paper is an example of a _____ surface. (spherical/ curve/ plane)

MEDIUM

Mathematics>Geometry>Geometrical Concepts>Properties of a Plane

Put a mark in brackets against the correct statement and a cross against the incorrect statement in the following statements:

Column $A$	Column $B$
$1 .$ Globe	P. Plane
$2 .$ Steel Almirah	Q. Plane and curved
$3 .$ Cucumber	R. Curved
$4 .$ Iron pipe
$5 .$ Cone
$6 .$ Surface of blackboard
$7 .$ Solid cylinder
$8 .$ Glass ball

The inner surface is a plane surface.

Important Questions on Geometrical Concepts

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