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 13.1 feet
D.
about 14.9 feet
Hint
2.
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 24.7 feet
B.
about 18 feet
C.
about 27.2 feet
D.
about 22.6 feet
Hint
3.
A rectangular state flag has dimensions 7 feet by
feet. How long is its diagonal?
A.
about 4.3 feet
B.
about 6.6 feet
C.
about 3.5 feet
D.
about 8.9 feet
Hint
4.
A 15-foot ladder is placed against a house and reaches a second story window. The ladder's base is 9 feet from the house. How far above ground is the window?
A.
17.5 feet
B.
6 feet
C.
12 feet
D.
13 feet
Hint
5.
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 11 blocks
B.
about 3.3 blocks
C.
about 7.8 blocks
D.
about 4.7 blocks
Hint