abcd is a parallelogram and E is any point on ab .if DE produced meets CB produced at F , prove that the area of triangle ADF= the area of the triangle DEC; and the area of triangle AEF=the area of triangle BEC.

abcd is a parallelogram and E is any point on ab .if DE produced meets CB produced at F , prove that the area of triangle ADF= the area of the triangle DEC; and the area of triangle AEF=the area of triangle BEC.
  • 1
What are you looking for?