John owns 8 black shirts, 7 red shirts, 6 blue shirts and 4 white shirts. If he wants to make a circle chart of his shirts, what is the degree angle corresponding to the "blue shirt section?"

A circular pie is cut into 30 pieces. Two people wish to split a piece of the pie, but one person wants to have twice as much as the other person. What is the angle of the smaller piece produced in this manner?

Quantity A: The angle of a circle's sector having an arc length of and a radius of .

Quantity B: The angle of a circle's sector having an area of and a radius of .

Which of the following relations is true?