2018 · Q76
The locus of the mid-points of the radii of length 16 cm of a circle is
Elementary MathematicsCircles
- AA concentric circle of radius 8 cm
- BA concentric circle of radius 16 cm
- CThe diameter of the circle
- DA straight line passing through the centre of the circle
Explanation
Each radius of length 16 cm has its midpoint 8 cm from the centre. As the radius rotates, these midpoints trace a concentric circle of radius 8 cm, option (A).