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Mathematics, 08.02.2021 15:50 hejdiidid9311

A ladder is 12 metres long . It leans against a wall with one end on the ground 7 metres from the wall. The other end just reaches a windowsill. Calculate the height of the windowsill above the ground. i need an explanation please...

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A ladder is 12 metres long . It leans against a wall with one end on the ground 7 metres from the wa...
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