A 10-foot ladder is leaning against a building. The top of the ladder is 8 feet from the ground. Which measurement is closest to the distance from the bottom of the ladder to the wall?
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The process of deriving large crystals of pure substances from their solutions is known as crystallisation. It is a physical change. Crystals of salt are obtained by the evaporation of sea water. ... This mixture when filtered and allowed to cool produces crystals of copper sulphate.The process of deriving large crystals of pure substances from their solutions is known as crystallisation. It is a physical change. Crystals of salt are obtained by the evaporation of sea water. ... This mixture when filtered and allowed to cool produces crystals of copper sulphate.
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By Pythagoras Theorem,
10² = d² + 8²
d² = 100 - 64
d² = 36
d =√36
d = 6 feet
Therefore, the closest distance = 6 feet..
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