Describe: (i) The locus of points at distances less than or equal to 2.5 cm from a given point. (ii) The locus of points at distances greater than or equal to 35 mm from a given point.

i) The locus of points is the space inside and the circumference of the circle with a radius of

and the centre as the given fixed point.

ii) The locus is the space outside and circumference of the circle with a radius of

and the centre as the given fixed point.