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  • A ladder 25 m long just reaches the top of a building 7 m high from the ground. What is the distance of the foot of the ladder from the building?Option: 1</stron

A ladder 25 m long just reaches the top of a building 7 m high from the ground. What is the distance of the foot of the ladder from the building?

Option: 1

24 m


Option: 2

12 m


Option: 3

18 m


Option: 4

None of the above


Answers (1)

best_answer

\text{hyp}^2=\text{base}^2+\text{altitude}^2

25^2=\text{base}^2+7^2

\text{base}^2=25^2-7^2

\text{base}^2=625-49

\text{base}^2=576

\text{base}=\sqrt{576}

\text{base}=24

Posted by

Ritika Kankaria

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