Question

adder
ladder 1 m long reaches a window which is m above the ground on one side of a
street keeping it Rot at the same point, the ladder is turned to the other side of the stro
to reach a window 15 m high Find the width of the streef​

Answer 1

Step-by-step explanation:

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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