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A ladder leaning against a wall makes an...

A ladder leaning against a wall makes an `theta` degree with the horizontal ground such that `cos theta= 5/13`, If the height of the top of the ladder from the foot of wall is 18m, then what is the distance (in cm) of the foot of the ladder from the wall?

A

19.5

B

7.5

C

13

D

18

Text Solution

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The correct Answer is:
B
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