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A ladder leans against a vertical wall. The end of the ladder touches the wall 12m from the ground. The foot of the ladder is 9m from foot of the the wall Calculate the length o…

A ladder leans against a vertical wall. The end of the ladder touches the wall 12m from the ground. The foot of the ladder is 9m from foot of the the wall Calculate the length o…
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A ladder leans against a vertical wall. The end of the ladder touches the wall 12m from the ground. The foot of the ladder is 9m from foot of the the wall Calculate the length of the ladder.​

asked
User Valentin Atanasov
by
7.7k points

1 Answer

2 votes

Answer:

Explanation:

length of ladder = x + 9

12² + x² = ( x-9)²

x = 3.5

answered
User Colin Desmond
by
8.2k points
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