RBSE Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.6

Rajasthan Board RBSE Solutions for Class 6 Maths Chapter 4 Basic Geometrical Ideas Ex 4.6 Textbook Exercise Questions and Answers.

RBSE Class 6 Maths Solutions Chapter 4 Basic Geometrical Ideas Ex 4.6

Question 1.
From the figure, identify

(a) the centre of circle,
Answer:
O is the centre of circle,

(b) three radii,
Answer:
Three radii are : OA, OB and OC,

(c) a diameter,
Answer:
A diameter: AC,

(d) a chord,
Answer:
A chord: ED,

(e) two points in the interior,
Answer:
Interior points: O, P,

(f) a point in the exterior,
Answer:
Exterior point: Q,

(g) a sector,
Answer:
A sector: OAB,

(h) a segment.
Answer:
A segment: ED.

Question 2.
(a) Is every diameter of a circle also a chord?
Answer:
Yes, the diameter is the longest possible chord of the circle.

(b) Is every chord of a circle also a diameter?
Answer:
No, every chord of a circle is not a diameter.

Question 3.
Draw any circle and mark :
(a) its centre,
(b) a radius,
(c) a diameter,
(d) a sector,
(e) a segment,
(f) a point in its interior,
(g) a point in its exterior,
(h) an arc.
Answer:
(a) Centre of the circle is O.
(b) A radius is \(\overline{O A}\).
(c) A diameter is \(\overline{A C}\).
(d) A sector is OAB.
(e) DE is a segment.
(f) A point in its interior is O.
(g) A point in its exterior is F.
(h) \(\overparen{A B}\) is an arc.

Question 4.
Say true or false:
(a) Two diameters of a circle will necessarily intersect.
Answer:
True : They will always intersect each other at the centre of the circle.

(b) The centre of a circle is always in its interior.
Answer:
True : The centre of a circle is always in its interior.