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

Exercise 4.3

---

Ex-4.1
Ex-4.2
Ex-4.3
Ex-4.4
Ex-4.5
Ex-4.6

---

Q 1 - Ex 4.3 - Basic Geometrical Ideas - Chapter 4 - Class 6th NCERT Maths

Page No 80:

Question 1:

Name the angles in the given figure.

Answer:

∠BAD, ∠ADC, ∠DCB, ∠CBA

---

Q 2 - Ex 4.3 - Basic Geometrical Ideas - Chapter 4 - Class 6th NCERT Maths

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) A
(b) C, A, D
(c) B, E, O, F

---

Q 3 - Ex 4.3 - Basic Geometrical Ideas - Chapter 4 - Class 6th NCERT Maths

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:

(a)

∠COD and ∠AOB have point O in common.
(b)

∠AOB and ∠BOC have points O and B in common.
(c)

∠AOB and ∠BOC have points O, E, B in common.
(d)

∠BOA and ∠COA have points O, E, D, A in common.
(e)

Ray  is common between ∠BOC and ∠AOC.