Class 6 - Mathematics :
Exercise :
Top Block 1
NCERT Solutions Class 6 Mathematics Basic Geometrical Ideas Ex 4.5
Question: 1.From the figure, identify:
(b)Three radii.
(c)A diameter.
(d)A chord.
(e)Two points in the interior.
(f)A point in the exterior.
(g)A sector.
(h)A segment.
Answer :
(a) O is the centre.
(b) Three radii: OA, OB and OC
(c) A diameter: AC
(d) A chord: ED
(e) Interior points: O, P
(f) Exterior point: Q
(g) A sector: OAB
(h) A segment:
Mddle block 1
Question: 2.(a) Is every diameter of a circle also a chord?
(b) Is every chord of a circle also a diameter?
Answer :
(a) Yes, every diameter of a circle is also a chord.
(b) 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.
Answer :
Question: 4.Say true or false:
(a)Two diameters of a circle will necessarily intersect.
(b)The centre of a circle is always in its interior.
Answer :
(a) True
(b) True