the sales tax for an item was $30.10 and it cost $430 before tax. find the sale tax rate. write your answer as a percentage.
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Тhe third angle of the triangle = 90 - 60 = 30°
In a 30-60-90 triangle the side opposite the 30 degree angle is half the length of the hypotenuse, therefore
The answer is x = 12, y = 4√3
In a 30-60-90 triangle the side opposite the 30 degree angle is half the length of the hypotenuse, therefore
The answer is x = 12, y = 4√3