What's the answer to this question?

Answer:
Area = 10
Step-by-step explanation:
Here is how to solve:
(x1y2+x2y3+x3y1-y1x2-y2x3-y3x1) / 2
In your case
A(2,2) is x1=2, y1=2
B(6,2) is x2=6, y2=2
C(6,7) is x3=6, y3=7
So
((2x2)+(6x7)+(6x2)-(2x6)-(2x6)-(7x2)) divided by 2 = 10
Area = 10