Question

The area of the triangle whose vertices are A(1, 2), B(-2, 3) and C(-3, -4) is 1 point (a) 11 (b) 22 (c) 33 (d) 21

Answer 1

Answer:

Area of triangle=1/2l 1 2 1

-2 3 1

-3 -4. 1 l. =1/2[ 1(3+4)-2(-2+3)+1(8+9)]

=1/2(7-2+17)

=1/2(22)

=11