Question

the area of triangle whose vertices are (4,4),(3,-2) and (-3,16) ?
use this formula
1/2|x1 (y2-y3)+x2(y3-y1)+x3(y1-y2)|
​

Answer 1

Answer:

7 $unit^{2}$

Step-by-step explanation:

Ar.= $\left[\begin{array}{ccc}4&3&3\\4&-2&-16\\1&1&1\end{array}\right]$

1/2*14

=7