1.	A 14-foot ladder that is placed 5 feet from the base of the vertical rock wall just reaches the top of the entrance of the cave. How high is the cave entrance above the ground?
		A.	about 6.2 feet	B.	about 9 feet
		C.	about 14.9 feet	D.	about 13.1 feet
		Hint
	2.	Write a Pythagorean triple other than 3-4-5 that is in the 3-4-5 family.
		A.	6-8-9	B.	5-12-13
		C.	10-24-26	D.	9-12-15
		Hint
	3.	For safety reasons, the base of a 26-foot ladder should be at least 8 feet from the wall. How high can a 26-foot ladder safely reach?
		A.	about 22.6 feet	B.	about 27.2 feet
		C.	about 24.7 feet	D.	about 18 feet
		Hint
	4.	To get to his friend Traci's house, Kevin walks 6 blocks east and 5 blocks south. How far must Kevin walk if he chose to go on a diagonal line to Traci's house?
		A.	about 4.7 blocks	B.	about 11 blocks
		C.	about 3.3 blocks	D.	about 7.8 blocks
		Hint
	5.	Which of the following are Pythagorean triples?
		A.	7, 9, 11	B.	10, 12, 16
		C.	9, 12, 15	D.	6, 12, 13
		Hint