NCERT Solutions For Class 6 Maths, Chapter 4, Basic Geometrical Ideas, Exercise 4.3 is all about study of points. A point determines a location and it is usually denoted by a capital letters in given figure. Exercise 4.3 class 6 maths, Basic Geometrical Ideas has total three questions to study.
NCERT Solutions For Class 6 Maths, Chapter 4, Basic Geometrical Ideas, Exercise 4.3
Q.1. Name the angles in the given figure.
Ans: The angles are ∠ABC, ∠BCD, ∠CDA and ∠DAB.
Q.2. In the given diagram, name the point(s),
(a) In the interior of ∠DOE
(b) In the exterior of ∠EOF
(c) On ∠EOF
Ans: (a) The point in the interior of ∠DOE is A.
(b) The point in the exterior of ∠EOF is C, A and D.
(c) The points on ∠EOF are E, B, O and F.
Q.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.
Ans:
(a) One point in common.
O is common point between ∠AOB and ∠COD.
(b) Two points in common.
O and B are common points between ∠AOB and ∠BOC.
(c) Three points in common.
O, C and B are common points between ∠AOB and ∠BOD.
(d) Four points in common.
O, D, C and B are common points between ∠AOB and ∠BOE.
(e) One ray in common.
OB is common ray between ∠AOB and ∠BOC
