1.
		A.	290	B.	70
		C.	90	D.	35
		Hint
	2.	is a diameter. Find .
		A.	360	B.	180
		C.	270	D.	90
		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.	What can you assume from the following figure?
		A.	is a diameter of the circle.
		B.	GHK is isosceles.
		C.	H is the center of the circle.
		D.	mJ + mGKI = 180.
		Hint
	5.	If is a diameter of the circle, MR = 12, and the circle has radius 10, then find NM.
		A.	4	B.	6.6
		C.	16	D.	8
		Hint