Haryana State Board HBSE 6th Class Maths Solutions Chapter 4 Basic Geometrical Ideas Ex 4.3 Textbook Exercise Questions and Answers.

## Haryana Board 6th Class Maths Solutions Chapter 4 Basic Geometrical Ideas Exercise 4.3

Question 1.

Name the angles in the given fig.

Solution:

(i) ∠ABC

(ii) ∠BCD.

(iii) ∠CDA.

(iv) ∠DAB

Question 2.

In the given Fig. , name the point(s)

(а) In the interior of ∠DOE.

(b) In the exterior of ∠EOF.

(c) On ∠EOF.

Solution:

(a) Point A is in the interior of ∠DOE.

(b) Point C and A are in the exterior of ∠EOF.

(c) Point B is on ∠EOF

Question 3.

Draw rough diagrams of two angles such that they have

(а) One point in common.

(b) Two points in common.

(c) Three points in common.

(d) Four points in common.

(e) One ray in common.

Solution:

(a) O is common to both the angles ∠AOC and ∠BOC.

(b), (c), (d) are not possible.

(e) \(\overrightarrow{\mathrm{OC}}\) is one ray common to both angles ∠AOB and ∠BOC.