[ A circular park of radius 20m is situated in a colony.Three boys Ankur,Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk each other.Find the length of the string of each phone.]

A circular park of radius 20m is situated in a colony.Three boys Ankur,Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk to each other.Find the length of the string of each phone.

A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk to each other. Find the length of the string of each phone.

A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk to each other. Find the length of the string of each phone.

A circular park of radius 20m is situated in a colony. Three boys Ankur, Syed andDavid are sitting at equal distance on its boundary each having a toy telephone inhis hands to talk each other. Find the length of the string of each phone.

A circular park of radius 20 m is situated in a colony. Three boys Ankur, Syed and David are sitting at equal distance on its boundary each having a toy telephone in his hands to talk with each other. Find the length of the string of each phone.

Three girls skatting on a circular ice ground of radius 200 m start from a point P on the edge of the ground and reach a point Q diametrically opposite to P following different paths as shown in Fig . 4.20 . What is the magnitude of the displacement vector for each ? for which girl is this equal to the actual length of path skate ?

Three girls skating on a circular ice ground of radius 200 m start from a point (P) on the edge of the ground and reach a point Q diametrically opposite to (P) following different paths as shown in Fig. What is the magnitude of the displacement vector for each ? which girl's displacement is equal to the actual length of path skate ? .