SOLUTION: A ladder leans agains a building forming an angle of 58 degrees with the ground. The bae of the ladder is 3 feet from the building. Usethe cosine determine the lenght of the ladd

Algebra ->  Numeric Fractions Calculators, Lesson and Practice -> SOLUTION: A ladder leans agains a building forming an angle of 58 degrees with the ground. The bae of the ladder is 3 feet from the building. Usethe cosine determine the lenght of the ladd      Log On


   

Question 626535: A ladder leans agains a building forming an angle of 58 degrees with the ground. The bae of the ladder is 3 feet from the building. Usethe cosine determine the lenght of the ladder.
a. 3.54 ft
b 4.8 ft
c 6.01 ft
d. 5.66 ft
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi,

A ladder leans agains a building forming an angle of 58 degrees with the ground.  

The bae of the ladder is 3 feet from the building.  

Usethe cosine determine the length of the ladder.

Let h represent the length of the ladder.

 cos(58) = adj/hyp = 3/h

    h = 3ft/cos(58) = 5.66ft