Find the area of the shaded part of the rectangle The circle is 3 units

Use 3.14 for pie
Round the answer tor he nearest hundredth

Which one is true about the hexagons ?

Through non-collinear points there is exactly one plane.

Okay so i didn't get this problem petro bought 8 tickets to a basketball game he paid a total of $200 write an equation to determine whether each ticket cost $26 or $28 so i didn't get this question so yeahyou have a good day.