What is the measure of an interior vertex angle of a pentagon?
(1) The measure of each adjacent exterior angle is 72.
(2) The pentagon is a regular polygon.
It takes Joe and Ted four hours to paint a room when they work together. How long does it take Joe
working by himself to paint the same room?
(1) The dimensions of the room are 12' by 12' by 8'.
(2) It takes Ted seven hours to paint the room by himself.
Given that C is the center of the circle and passes through C, what is the area of the sector of the
circle?
(1) The diameter of the circle is 12.
(2) m C = 30