Question

Walls of two buildings on either side of a street are parallel to each other. A ladder 5.5 m long is placed on the street such that its top just reaches the window of a building at the height of 4 m. On turning the ladder over to the other side of the street, its top touches the window of the other building at a height 4.2 m. Find the width of the street.​

Answer 1

Answer:

Walls of two buildings on either side of a street are parallel to each other. A ladder 5.5 m long is placed on the street such that its top just reaches the window of a building at the height of 4 m. On turning the ladder over to the other side of the street, its top touches the window of the other building at a height 4.2 m. Find the width of the street.By pythagoras theorem,

5.8

2

=x

2

+4.2

2

and 5.8

2

=y

2

+4

2

⇒ x=

5.8

2

−4.2

2

=

(10)(16)

=

16

=4

y=

5.8

2 −4 2

=

9.8×1.8

=4.2 m

⇒ width =x+y=8.2 m

Step-by-step explanation:

mark me brainliest