1.	Find the value of x.
		A.	52	B.	42
		C.	47	D.	37
		Hint
	2.	In circle H, and GI = 15. Find HK and
		A.	15; 90	B.	7.5; 180
		C.	15; 180	D.	7.5; 90
		Hint
	3.
		A.	11.5	B.	23
		C.	32	D.	46
		Hint
	4.	What can you assume from the following figure?
		A.	GHK is isosceles.
		B.	is a diameter of the circle.
		C.	mJ + mGKI = 180.
		D.	H is the center of the circle.
		Hint
	5.	Find x.
		A.	90	B.	100
		C.	110	D.	80
		Hint