What division problem gets you the answer of pi?

Use the diagonals to determine whether a parallelogram with vertices u(2,−2), v(9,−2), w(9,−6), and x(2,−6) is a rectangle, rhombus, or square. give all the names that apply.

Acircle has a circumference of 28.36 units what is the diameter of the circle

How do the number line graphs of the solutions sets of -23 > x and x-23 differ?