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 9 feet
B.
about 13.1 feet
C.
about 14.9 feet
D.
about 6.2 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.
10-24-26
C.
5-12-13
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 24.7 feet
C.
about 27.2 feet
D.
about 18 feet
Hint
4.
A rectangular state flag has dimensions 7 feet by
feet. How long is its diagonal?
A.
about 6.6 feet
B.
about 8.9 feet
C.
about 4.3 feet
D.
about 3.5 feet
Hint
5.
A 9-foot ladder is placed 4 feet from the base of a building. How high does the ladder reach?
A.
about 5 feet
B.
about 7 feet
C.
about 9.8 feet
D.
about 8.1 feet
Hint