A ladder is 25 m long that reaches a window that is 15m above the ground on one side of a street.When the foot of ladder is not moved and the ladder is turned to other sideof the street it reaches a window 20m high. Find the width of the street. please tell
And the answer will be 35m
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Answer:
In △ADC,
AD² +AC²
=CD²
9² +AC²
=15²
AC²
=225−81
AC=12 m
In △BEC,
EC²
=BC² +BE²
15²
=12² +BC²
225−144=BC²
BC=9 m
Width of the road = AC+BC = 12+9 = 35m
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