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14 September, 06:43

A ladder that is 21 feet long is propped against a building. The bottom of the ladder was placed 4 feet from the base of the building. How high up on the building does the ladder reach? Round the answer to the nearest tenth of a foot.

a. 4.1 feet

b. 17.0 feet

c. 20.6 feet

d. 21.4 feet

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Answers (1)
  1. 14 September, 08:49
    0
    B. 17.0 because your just subtracting 21 and 4
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