The table shows the wavelength of the sound produced by keys on a piano x keys away from the A above middle C.
2 answers:
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Answer:
Step-by-step explanation:
you have a right triangle, more precisely is a isosceles right triangle, as you have one angle= 45⁰, the other angle is also= 45⁰
In this triangle the hypotenuse, c, is
c=9= 12.72
It's not true unless my math is wrong
