1.	is a diameter. Find .
		A.	90	B.	180
		C.	270	D.	360
		Hint
	2.	Find the value of y.
		A.	83	B.	87
		C.	97	D.	7
		Hint
	3.	In circle H, and GI = 15. Find HK and
		A.	7.5; 180	B.	7.5; 90
		C.	15; 90	D.	15; 180
		Hint
	4.
		A.	46	B.	23
		C.	32	D.	11.5
		Hint
	5.	What can you assume from the following figure?
		A.	mJ + mGKI = 180.
		B.	GHK is isosceles.
		C.	is a diameter of the circle.
		D.	H is the center of the circle.
		Hint