1.	If AC = 18, what is CB? Write in simplest form.
		A.	9	B.
		C.		D.	36
		Hint
	2.	In Find ST. Write in simplest form
		A.	21	B.
		C.		D.	84
		Hint
	3.	In equilateral triangle XYZ, is an altitude. If ZW = 15m, find the perimeter of the triangle.
		A.	m	B.	m
		C.	m	D.	m
		Hint
	4.	In equilateral triangle QRS, is an altitude. If QP = 21 m find SQ.
		A.		B.
		C.		D.
		Hint
	5.	The perimeter of an equilateral triangle HGI is . Find the length of altitude .
		A.		B.
		C.		D.
		Hint