Question

Find the area of a triangle whose vertices are A(-5,6) , B(-9,2) , C(-1,2)
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Answer 1

Step by step explaination

This is done by formula in a chapter coordinate geometry:

=1/2[-5(2-2)+(-9)(2-6)+(-1)(6-2)]

=1/2[-5(0)+(-9)(-4)+(-1)(4)]

=1/2[36-4]

=1/2[32]

=16

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