1.	Find the value of x.
		A.	42	B.	47
		C.	37	D.	52
		Hint
	2.	is a diameter. Find .
		A.	90	B.	270
		C.	360	D.	180
		Hint
	3.	In circle H, and GI = 15. Find HK and
		A.	15; 90	B.	7.5; 180
		C.	15; 180	D.	7.5; 90
		Hint
	4.
		A.	32	B.	23
		C.	11.5	D.	46
		Hint
	5.	If P is the center of the circle, find the value of x.
		A.	-25	B.
		C.	23	D.	34
		Hint