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Question
Construct a circle and mark the centre, radius, boundary, interior and,exterior on it.
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Solution
The blue region which is inside of the boundary of the circle is called the interior of the circle.
The region outside the boundary is called the exterior of the circle.
The red dot, A, inside the circle is the centre.
The orange line joining the centre A and the point B on boundary is the radius of the circle.
The blue region which is inside of the boundary of the circle is called the interior of the circle.The region outside the boundary is called the exterior of the circle.
The red dot, A, inside the circle is the centre.
The orange line joining the centre A and the point B on boundary is the radius of the circle.
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