1.	Which are not the measures of the sides of a right triangle?
		A.		B.
		C.		D.
		Hint
	2.	Find the value of x.
		A.	12	B.
		C.		D.
		Hint
	3.	Find the value of y.
		A.		B.	18
		C.	4.5	D.
		Hint
	4.	Which of the following special right triangles can have a Pythagorean triple as the lengths of its sides?
		A.	both a 45°-45°-90° triangle and a 30°-60°-90° triangle
		B.	a 45°-45°-90° triangle
		C.	neither a 45°-45°-90° triangle nor a 30°-60°-90° triangle
		D.	a 30°-60°-90° triangle
		Hint
	5.	Find the value of x.
		A.		B.
		C.	10	D.
		Hint