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Respuesta :

gabrieldmorrison

Answer:

90 degrees because A is an acute angle so x equals 45 degrees and so I multiply that by 2

Step-by-step explanation:

bunniecore
so the right angle is equal to 90° and the rest is unknown.

using the triangle sim theorem, which states that all interior angles are equal to 180°.

so it would be x+2x+90°=180°.

then you would need to simply which is 3x+90°=180°

subtract 90° from both sides and get 3x=90°

and then divide both sides by 3 which is 30°

then you would need to find the angle of B which is 2x so you would need to substitute 30° for x which is 60°

the answer is 60°
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