20. The roof of a building is 16m high. A rope is tied from the roof to a peg
on the ground 12m away from the wall of the building. What is the length of
the rope?
please answer steps by step without any sentence
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Given : The roof of a building is 16m high
A rope is tied from the roof to a peg on the ground 12m away from the wall of the building
To Find : What is the length of the rope?
Solution:
Height ( vertical Distance ) = 16 m
Horizontal Distance = 12 m
Rope Length = d m
Applying Pythagoras theorem :
d² = 16² + 12²
=> d² = 256 + 144
=> d² = 400
=> d = 20
length of the rope = 20 m
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