How long a ladder must you have to reach the top of a 15-foot wall if the bottom of the ladder is placed 4 feet from the base of the wall? Round to the nearest tenth of a foot.
A)14.5 ft
B)15.5 ft
C)17.0 ft
D)19.0 ft
Answers
Answered by
12
Answer:
15.5
Step-by-step explanation:
The length of the ladder is the hypotenuse of a triangle with legs of 15 and 4.
c'2 = 15'2 + 4'2 = 241
rounded to nearest 10th c = 15.5
Answered by
3
Answer:15.5
Step-by-step explanation:
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