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3 years ago

14

una escalera esta recargada en un muro de 8 metros de altura y forma un angulo agudo de 55 grados ¿cual es la longitud de la esc

alera?

1 answer:

Illusion [34]3 years ago

4 0

Answer:

9.77 metros

Step-by-step explanation:

Ay que usar sine, mira el problema en la photo

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Answer: $\boxed{\bold{m=-66}}$

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Explanation: $\downarrow\downarrow\downarrow$

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[ Step One ] Switch Sides

$\bold{-2\left(m+4\right)+m=58}$

[ Step Two ] Expand $\bold{-2\left(m+4\right)+m}$

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[ Step Four ] Add 8 To Both Sides

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[ Step Five ] Simplify

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[ Step Six ] Divide Both Sides By -1

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