1.	Classify the angle whose measure is 100°.
		A.	acute	B.	straight
		C.	obtuse	D.	right
		Hint
	2.	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
	3.	Classify the given angle.
		A.	acute	B.	right
		C.	obtuse	D.	complementary
		Hint
	4.	Find the 30° angle.
		A.		B.
		C.		D.
		Hint
	5.	Find the sum of the measures of the interior angles of this polygon.
		A.	360°	B.	540°
		C.	900°	D.	180°
		Hint