Focus On Life Science: California Grade 7

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1.			Find the length of the missing side for the triangle with b = 200 and c = 400. Need a Hint?
			A)	346.4
			B)	600
			C)	200
			D)	1200
2.			A ramp was constructed to load a truck. If the ramp is 9 feet long and the horizontal distance from the bottom of the ramp to the truck is 7 feet, what is the vertical height of the ramp? Need a Hint?
			A)	5.66 ft
			B)	12.5 ft
			C)	32 ft
			D)	16 ft
3.			Jackson is 54 miles from Lazy R Resort. Ontario is 31 miles south of Jackson. A land developer proposes building a shortcut road to directly connect Ontario and Lazy R. Find the length of this new road. Need a Hint?
			A)	62 mi
			B)	6 mi
			C)	3877 mi
			D)	85 mi
4.			A television screen measures approximately 15.5 in. high and 19.5 in. wide. A television is advertised by giving the approximate length of the diagonal of its screen. How should this television be advertised? Need a Hint?
			A)	52 in.
			B)	23 in.
			C)	519.84 in.
			D)	35 in.
5.			A 6-ft ladder is placed against a wall with its base 2 ft from the wall. How high above the ground is the top of the ladder? Need a Hint?
			A)	5.7 ft
			B)	4 ft
			C)	32 ft
			D)	8 ft
6.			A ladder is leaning against a wall. Its base is positioned 6 feet from the wall. If the top of the ladder rests against the wall 8 feet from the ground, how long is the ladder? Assume that the wall is at a right angle to the ground. Need a Hint?
			A)	10 ft
			B)	100 ft
			C)	16 ft
			D)	14 ft
7.			Find c, to the nearest tenth, if a = 17 and b = 20. Need a Hint?
			A)	689
			B)	26
			C)	9
			D)	37
8.			As part of Lizzie’s training, she must climb a slanted rope net into a tree that is 45 feet high. To the nearest hundredth of a foot, how far away from the tree is the net anchored if the net is 100 feet long? Need a Hint?
			A)	89.30 ft
			B)	12.04 ft
			C)	12025 ft
			D)	145 ft
9.			To train, Alex swims across his pool diagonally every day. If his pool is 4 meters wide, and it is 16 meters diagonally across, how long is his pool to the nearest meter? Need a Hint?
			A)	272 m
			B)	40 m
			C)	15.5 m
			D)	20 m
10.			On Jena’s last hang gliding flight she jumped off a cliff and traveled in a diagonal line for 500 feet before landing 450 feet from the base of the cliff. How high was the cliff to the nearest ten feet? Need a Hint?
			A)	950 ft
			B)	4530 ft
			C)	452500 ft
			D)	218 ft