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The area of the triangle whose vertices are A(1, 2), B(-2, 3) and C(-3, -4) is ______. -

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Question

The area of the triangle whose vertices are A(1, 2), B(-2, 3) and C(-3, -4) is ______.

Options

  • 11

  • 22

  • 33

  • 21

MCQ
Fill in the Blanks

Solution

The area of the triangle whose vertices are A(1, 2), B(-2, 3) and C(-3, -4) is 11.

Explanation:

Required area = `1/2`[1(3 + 4) -2(-4 – 2) -3(2 – 3)]

= `1/2`[7 + 12 + 3]

= `1/2 xx 22`

= 11

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