Question

Find the area of triangle formed by 5he points (1,-1),(4,1),(-2,-3)by using heron's formula

Answer 1

Answer:

there is another easy way

Explanation:

1 4 -2 1

-1 1 -3 -1

(-4-2-3) - (1-12+2)

=

-9+9×1/2

=0

so triangle is not possible here

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