Answer:
approx. 25.13
Step-by-step explanation:
C= 2πr
radius is half diameter
The best and most correct answer among the choices provided by your question is the third choice. There are 1350 different ring selections.
It is because:
3*15*30 = 1,350
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One pair of opposite sides both parallel and congruent implies a parallelogram.
The first step is to square root both sides to get the exponent out. that actually is the only step :)
