1.	In , PR = 4. Find QR.
		A.	8	B.	4
		C.		D.
		Hint
	2.	If AC = 18, what is CB? Write in simplest form.
		A.	36	B.	9
		C.		D.
		Hint
	3.	In equilateral triangle QRS, is an altitude. If QP = 21 m find SQ.
		A.		B.
		C.		D.
		Hint
	4.	The length of the hypotenuse of a 30°-60°-90° triangle is . Find the length of the longer leg.
		A.		B.
		C.		D.
		Hint
	5.	The perimeter of an equilateral triangle HGI is . Find the length of altitude .
		A.		B.
		C.		D.
		Hint