1.
		A.	90	B.	290
		C.	70	D.	35
		Hint
	2.	is a diameter. Find .
		A.	180	B.	360
		C.	90	D.	270
		Hint
	3.	In circle H, and GI = 15. Find HK and
		A.	15; 90	B.	15; 180
		C.	7.5; 180	D.	7.5; 90
		Hint
	4.	If P is the center of the circle, find the value of x.
		A.	23	B.	-25
		C.		D.	34
		Hint
	5.	Find x.
		A.	90	B.	80
		C.	100	D.	110
		Hint