In ∆ABC , the coordinates of vertex A are (0, -1) and D (1,0) and E(0,10) respectively the mid-points of the sides AB and AC . If F is the mid-points of the side BC , find the area of ∆ DEF.

In ∆ABC , the coordinates of vertex A are (0, -1) and D (1,0) and E

1.	In ∆ABC , the coordinates of vertex A are (0, -1) and D (1,0) and E(0,10) respectively the mid-points of the sides AB and AC . If F is the mid-points of the side BC , find the area of ∆ DEF.
Answer» In $∆$ ABC , the coordinates of vertex A are (0, $-$ 1) and D (1,0) and E(0,10) respectively the mid-points of the sides AB and AC . If F is the mid-points of the side BC , find the area of $∆$ DEF.

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In ∆ABC , the coordinates of vertex A are (0, -1) and D (1,0) and E(0,10) respectively the mid-points of the sides AB and AC . If F is the mid-points of the side BC , find the area of ∆ DEF.

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