These NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.3 Questions and Answers are prepared by our highly skilled subject experts.

## NCERT Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Exercise 4.3

Question 1.

Name the angle in the given figure.

Answer:

There are four angles in given figure:

∠ ABC, ∠ CDA, ∠ DAB, ∠ DCB

Question 2.

In the given diagram, name the point (s)

(a) In the interior of ∠DOE

(b) In the exterior of ∠EOF

(c) On ∠EOF

Answer:

(a) Point interior of ∠DOE : A

(b) Points exterior of ∠EOF: C, A, D

(c) Points on ∠EOF: E, O, B, F

Question 3.

Draw rough diagrams of two angles such that they have

(a) One point in common.

(b) Two points in common.

(c) Three points in common.

(d) Four points in common.

(e) One ray in common.

Answer:

∠AOB and ∠POQ have just one point in common. The common point is O>

∠POB and ∠AOB have two common points. The common points are B and O.

∠POB and ∠AOB have 3 common points. The common points are B, C and O.

∠POB and ∠AOB have four points in common. The common point are B, C D and O.

∠AOB and ∠BOC have common ray OB.