Question

Find the approximate area of a triangle that has vertices at A(-4,2),B(6,4)C(3,-1)

Answer 1

$area \: of \: triangle \: = \frac{1}{2} |( - 16) - (22)|$
$= \frac{1}{2} | - 44|$
$= | - 22|$
$area \: of \: triangle \: = 22$