
Concept explainers
To plot: A curve which is always at a distance of 5 units from a fixed point (1,2).

Explanation of Solution
Given information:
Point (1,2)
The objective of the question is to plot a curve which is always at a distance of 5 units from a fixed point (1,2).
Take a point A (1,2) a line segment of length 5 units as shown in figure.
Taking random points which satisfy the condition.
As around a given point, points at fixed distance are possible only in case of
Now draw seven more line segments of same length.
Join the end points.
The curve joining the end points will be a circle.
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