Help me for 28 points

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

Acylinder with a base diameter of x units has a volume of jxcubic units which statements about the cylinder are true? check all that apply. the radius of the cylinder is 2 x units. the radius of the cylinder is 2x units. the area of the cylinder's base is 200 square units. the area of the cylinder's base is a square units. the height of the cylinder is 2x units. the height of the cylinder is 4x units. mark this and return save and exit next submit