Question

Find the area of triangle whose vertices are (3,2),(-1,5),(-2,-3)

Answer 1

Answer:

Area of the triangle =

1/2|3(-3-3))-2(3-2)+2(2+3)|

=1/2|3(-6)-2(1)+2(5)|

=1/2|-18-2+10|

=1/2|-10|

= -5

Answer 2

Answer:

The area of the triangle is 17.5 sq units .