1.	In the figure, °. Find
		A.	90°	B.	30°
		C.	45°	D.	120°
		Hint
	2.	Classify the angle whose measure is 100°.
		A.	right	B.	acute
		C.	straight	D.	obtuse
		Hint
	3.	The sum of the measures of the angles of a regular octagon is 1,080°. Find the measure of one of its angles.
		A.	108°	B.	90°
		C.	120°	D.	135°
		Hint
	4.	What is the measure of the given angle?
		A.	60°	B.	120°
		C.	175°	D.	90°
		Hint
	5.	Find the sum of the measures of the interior angles of this polygon.
		A.	360°	B.	900°
		C.	540°	D.	180°
		Hint