Question

Calculate the are of the triangle whose vertices are (1,1) ,(2,3) and (4,5)

Answer 1

Answer:

1

Step-by-step explanation:

A(1,1) B(2,3) C(4,5)

ar of triangle=1/2(1(3-5)+2(5-1)+4(1-3))

=1/2(-2+8-8)

=1/2(-2)

=1