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A ladder 15 m long reaches a window whic...

A ladder 15 m long reaches a window which is 9 m above the ground on one side of a street. Keeping its foot at the same point, the ladder is turned to the other side of the street to reach a window 12 m above the ground. Find the width of the street.

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The correct Answer is:
`21 m`
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KUMAR PRAKASHAN-TRIANGLES-TEST YOUR SKILLS
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