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1. The straight line joining the origin and the centroidof a triangle with its corners having co-ordinates(11,6), (7, 16), (9, 14) has a length of:(a) 15 units (b) 18 units (C) 12 units (d) 9 units |
| Answer» THINK its 18 units but i am not sure because i am out so i am UNABLE to solve it pls FOLLOW me | |