1.	Which figure is an isosceles triangle?
		A.		B.
		C.		D.
		Hint
	2.	Triangle RST is isosceles with as the vertex angle. If ST = 3x - 11, SR = x + 3, and RT = x - 2, find RT.
		A.	14	B.	9
		C.	5	D.	7
		Hint
	3.	Which triangle is isosceles?
		A.	with vertices F(-1,-5), G(-3,4), and H(5,2)
		B.	with vertices R(3,5), S(1,-8),and T(-1,7)
		C.	with vertices A(3,0), B(0,6), and C(3,6)
		D.	with vertices M(4,5), N(4,2), and P(-5,2)
		Hint
	4.	Which figure is an obtuse triangle?
		A.		B.
		C.		D.
		Hint
	5.	ABC is ______.
		A.	isosceles and scalene	B.	scalene but not acute
		C.	equilateral	D.	scalene and acute
		Hint