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Section Formula

If the coordi...

Question

If the coordinates of the points A, B, C, be (4,4), (3,-2) and (3,-16) respectively, then the area of the triangle ABC is [MP PET 1982]

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Solution

The correct option is D
7

$△$ = $\frac{1}{2}$ [4(- 2 + 16) + 3(-16 - 4) + 3(4 + 2)]

= $\frac{1}{2}$ [56 - 60 + 18] = 7.

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