1.	Classify
		A.	acute scalene	B.	acute isosceles
		C.	acute equilateral	D.	right scalene
		Hint
	2.	Which triangle is necessarily acute?
		A.		B.
		C.		D.
		Hint
	3.	Classify by its angles and sides.
		A.	acute equilateral	B.	obtuse equilateral
		C.	acute isosceles	D.	obtuse isosceles
		Hint
	4.	Find measures of and of isosceles triangle TUV with base
		A.	17, 13	B.	21, 7
		C.	17, 23	D.	25, 13
		Hint
	5.	Find the value of x if is the base of isosceles triangle MLP.
		A.	6	B.	-6
		C.	10	D.	3
		Hint