The sales tax for an item was $15.60 and it cost $390 before tax. Find the sales tax rate. Write your answer as a percentage.
1 answer:
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The length of the hypotenuse = 7.1 inch
Step-by-step explanation:
In an isosceles right angle triangle if one leg is 5 inch, another side along the right angle is 5 in
hypotenuse = ( by Pythagoras theorem)
=
=
= 7.07106781
= 7.1 inch (approx)