Question

If the points A( 2, -1 ) ; B( 2 , 7 ) ; C( 4 , 7 ) and D( 4 , - 1 ) are joined in pairs on the graph paper , then find the coordinates of the mid - point of BC and CD. *



Options:
( 3 , 7 ) and ( 7 , 3 ) respectively.
( 7 , 3 ) and ( 3 , 7 ) respectively.
( 3 , 7 ) and ( 4 , 4 ) respectively.
( 4 , 3 ) and ( 7 , 3 ) respectively.

Answer 1

Mid point of BC:

{(2+4)/2, (7+7)/2}=(3,7)

Mid point of CD:

{(4+4)/2, (7-1)/2}=(4,3)