Question

A ladder 15m long is resting the against the window of a house. If it makes an angle of 60° with the window , find the height of the window and the distance of the foot of the ladder from the house.​

Answer 1

Step-by-step explanation:

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 = 21 m

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