Question

Example 7.33
Find the area of the triangle whose vertices are (-2, – 3), (3, 2), and (-1,-8).​

Answer 1

Answer:

Area=1/2|-2(2+8)+3(-8+3)-1(-3-2)|

=1/2|-20-15+5|

=1/2|-30|=15 units

Answer 2

Answer:

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