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# Maths C1 Question Help!!! Watch

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1. points D(2,-3), E (-1,7) and F(3,5) are midpoints of the sides BC, CA and AB of a triangle. what re the equation of its sides??

does anyone know how to do this question??
2. (Original post by OmarAl)
points D(2,-3), E (-1,7) and F(3,5) are midpoints of the sides BC, CA and AB of a triangle. what re the equation of its sides??

does anyone know how to do this question??
Draw a small sketch. You can notice that lines connecting two points points D, E and F (in whatever pair) are parallel to the sides of the triangle, therefore equal gradients. Find those gradients, and then use with points D, E and F where appropriate.
3. (Original post by RDKGames)
Draw a small sketch. You can notice that lines connecting two points points D, E and F (in whatever pair) are parallel to the sides of the triangle, therefore equal gradients. Find those gradients, and then use with points D, E and F where appropriate.
so would i use y2 - y1/ x2-x1 for each of the coordinate pairs to find gradient?
4. (Original post by OmarAl)
so would i use y2 - y1/ x2-x1 for each of the coordinate pairs to find gradient?
Yep, that is how the gradient is found between 2 points, after all.

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