ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 10 Basic Geometrical Concept Ex 10.4

Question 1.
In the given figure, identify:
(i) the centre of the circle
(ii) three radii
(iii) a diameter
(iv) a chord
(v) two points in the interior
(vi) a point in the exterior
(vii) a sector
(viii) a segment
ML Aggarwal Class 6 Solutions for ICSE Maths Chapter 10 Basic Geometrical Concept Ex 10.4 1
Solution:
(i) O is the centre of the circle.
(ii) \(\overline{\mathrm{OA}}, \overline{\mathrm{OB}}, \overline{\mathrm{OC}}\) are three radii of the circle.
(iii) \(\overline{\mathrm{AC}}\) is a diameter of the circle.
(iv) \(\overline{\mathrm{ED}}\) is a chord of the circle.
(v) O and P are two points in the interior.
(vi) Q is a point in the exterior.
(vii) OAB (shaded portion) is a sector of the circle.
(viii)Shaded portion of the circular region enclosed by line segment ED and the corresponding arc.

Question 2.
State whether the following statements are true (T) or false (F):
(i) Every diameter of a circle is also a chord.
(ii) Every chord of a circle is also a diameter.
(iii) Two diameters of a circle will necessarily intersect.
(iv) The centre of the circle is always in its interior.
Solution:
(i) True.
(ii) False.
(iii) True.
(iv) True.

ML Aggarwal Class 6 Solutions for ICSE Maths

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