Find the area of the shaded region.
Area of circle - area of rectangle = shaded area
circle area = pi r^2 need to find 'r'
the diagonal of the rectangle is the DIAMETER
via pythagorean theorem diagonal = sqrt ( 6^2 + 8^2) = 10
so radius = 5
pi * 52 - 6 * 8 = shaded area
+37158 
