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abruzzese [7]
3 years ago
12

A 15m long ladder reached a window 9m high from the ground on placing it against a wall at a distance x. Find the distance of th

e foot of the ladder from the wall.
Mathematics
1 answer:
Ilya [14]3 years ago
8 0

Answer:

12 meters

Step-by-step explanation:

Given That :

Length of ladder = 15m

Height of wall =. 9 m

Using Pythagoras rule :

Adjacent² = hypotenus² - opposite²

Adjacent² = 15² - 9²

Adjacent² = 225 - 81

Adjacent² = 144

Adjacent = sqrt(144)

Adjacent, x = 12

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