For what positive value of (where ) is the length of the median drawn from to the…

MATHEMATICS · Single correct · CBSE · Mathematics · Coordinate Geometry · Coordinate Geometry

Problem

For what positive value of

k

(where

k<10

) is the length of the median drawn from

Q(-1,5)

to the side

PR

of triangle

P(2,k)

Q(-1,5)

R(4,1)

equal to

5

units? (a) 6 (b) 9 (c) 3 (d) 15