Q. 135.0( 4 Votes )

In Fig. 6, ABC is

Answer :

Let us assume the points be B (p, q), C (r, s) and F (x, y)

It is clear that, mid-point of AB = Coordinates of D



p = 2


Also,


- 1 + q = 0


q = 1


Points of B is (2, 1)


Similarly, mid-point of AC = Coordinates of E



r = 0


And,


- 1 + s = 2


s = 3


Points of C is (0, 3)


Also, Coordinates of F = Mid-point of BC


= (1, 2)


Points of F is (1, 2)


We know that,





= 4 square units


Also, .


.



= 1 square unit (As area cannot be negative)

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