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In the triangle PQR, C is the centroid. ...

In the triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D si the midpoint of QR, then what is the length (in cm) of CD?

A

`(4sqrt 86)//3`

B

`(2 sqrt 86)//3`

C

`(5 sqrt 86)//3`

D

`(5 sqrt 86)//2`

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CHAMPION PUBLICATION-2017 TIER-II PAPER(9)-EXERCISE
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