Need help with surface area

What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex q is on ordered pair 1 and 6, and the vertex r is on ordered pair 4 and 2. 5 square units 6 square units 10 square units 12 square units

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Find the area of the unshaded square