Mathematics Class 6 NCERT Solutions: Chapter 4 Basic Geometrical Ideas Exercise 4.3

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Q.1 Name the angles in the given figure:

Image of Angles Figure

Image of Angles Figure

Image of Angles Figure

Answer: There are four angles in given figure:

, , ,

Q.2 In the given diagram, name the point(s):

Diagram For Geometrical Ideas

Diagram for Geometrical Ideas

Diagram For Geometrical Ideas

(a) In the interior of .

Answer: (a) Point interior of : A

(b) In the exterior of .

Answer: (b) Points exterior of : C, A, D

(c) On .

Answer: (c) Points on : E, O, B, F

Q.3 Draw rough diagrams of two angles such that they have:

(a) One point in common.

Answer:

Point O is common.

Diagram For One Points

Diagram for One Points

Diagram For One Points

(b) Two points in common.

Answer: O and A in common.

Two points in common

Two Points in Common

Two points in common

(C) Three points in common.

Answer:

and have points in common

Diagram For Three Points

Diagram for Three Points

Diagram For Three Points

(d) Four points in common.

Answer:

and have points in common.

Diagram For Four Points

Diagram for Four Points

Diagram For Four Points

(e) One ray in common.

Answer:

Ray is common between and .

One ray in common

One Ray in Common

One ray in common