Look at the picture.<span>
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Answer:
which number to solve, it kinda seem difficult
Edited in the comment ............
The distance from a to c is ten units
So this triangle is considered a "special triangle". The 30-60-90 triangle rule states that if the short leg is n, then the hypotenuse is 2n and the long leg is n√3.
In this case, since the short leg is 7, x = 14 and y = 7√3. The correct answer that has this is B.
