Question

men is 9 m above
the ground on one side of the strea, Keeping its for at
the same point, the ladder is turned to the other side of
the street to reach a window 12 m high. Find the width
of the street.​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Answer

Answer

In △ADC,

AD

2

+AC

2

=CD

2

9

2

+AC

2

=15

2

AC

2

=225−81

AC=12 m

In △BEC,

EC

2

=BC

2

+BE

2

15

2

=12

2

+BC

2

225−144=BC

2

BC=9 m

Width of the road = AC+BC = 12+9 = 21 m

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