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1. From the figure, identify :
(a) the centre of circle
(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
Given:
The figure of a circle is given.
To do:
We have to identify the terms from the given figure.
Solution:
(a) The centre of the circle is $O$.
(b) The three radii are $\overline{OA}, \overline{OB}$ and $\overline{OC}$.
(c) A diameter is $\overline{AC}$.
(d) A chord is $\overline{ED}$.
(e) Two points in the interior are $O$ and $P$
(f) A point in the exterior is point $Q$
(g) A sector is $AOB$(shaded region).
(h) A segment is $ED$(shaded region).
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