Question

The area of the triangle formed by (1,1),(a+1,a+1),(a+2,a) is

Answer 1

Answer:

Step-by-step explanation:

1/2|1(3+3)+2(-3+2)-4(-2-3)|

=1/2|6-2+20|

=1/2|24|

=12 sq. units

Answer 2

hope this answer will help you.