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A line EF drawn parallel to the base BC of a triangle ABC meets AB & AC in F & E respectively. BE & CF meet in L. Use vectors to show that AL bisects BC.

A line EF drawn parallel  to the base BC of a triangle ABC meets AB & AC in F & E respectively. BE & CF meet in L. Use vectors to show that AL bisects BC.

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1 Answers

bhanuveer danduboyina
95 Points
13 years ago

IT bisects BC as it can be told with symmetry and a case may arise where 'A' coincides with 'L'

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