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09-08-2021
Mathematics

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A ladder 20m long rests against a vertical wall as that the foot of the ladder is 9m from the wall. Find, correct to the nearest degree, the angle that the ladder makes with the wall.

Respuesta :

09-08-2021

Answer:

If the ladder is 9 m from the wall

cos theta = 9 / 20 = .45 and theta = 63.3 angle made with floor

So the angle made with the wall is 90 - 63.3 = 26.7

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