One chord of a circle is known to be 10 cm. The radius of this circle must be 5 cm                                                  (b)  greater than 5 cm (c) greater than or equal to 5 cm            (d)   less than 5 cm

Explanation

The correct option is C greater than or equal to `5cm`
Length of chord of a circle, `=10cm`
Length of the radius of the circle greater than or equal to half of the chord, i.e., more than or equal to `5cm`