shellbystowers shellbystowers

25-06-2021
Mathematics

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To the nearest degree, find the measure of angle A.

To the nearest degree find the measure of angle A class=

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musiclover10045 musiclover10045

25-06-2021

Cosine(angle) = adjacent leg/ hypotenuse

Cosine( angle ) = 18/20

Angle = arccos(18/20)

Angle = 26 degrees

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Аноним Аноним

25-06-2021

Answer:

26°

Step-by-step explanation:

For a right triangle, we can use trigonometry equations :-

In this case we need to use cosine equation .

cos A = adjacent side / hypotenuse

cos A = 18 / 20

A = cos × 18/20

A = arccos × 18/20

A = 26°

Answer Link

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