Question

A ladder 41 m long reaches on a wall of a building 9 m above the ground . Determine the distance of the foot of the ladder from the building . Answer is 40 m. I wants the solution​

Answer 1

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AB² + BC² = CA²

40m²+BC²= 41m²

BC² = 41m² - 40m² = 1m²

CHECKING:-

40m² + 1m²

= 41m²

Answer 2

Step-by-step explanation:

AB² + BC² = CA²

40m²+BC²= 41m²

BC² = 41m² - 40m² = 1m²

CHECKING:-

40m² + 1m²

= 41m²

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