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Directrix (directrix):
Dimensions and sketch?
Directrix (directrix):
@dopegyal_
OpenStudy (anonymous):
I'm not sure I you can see it, but here it is...
OpenStudy (anonymous):
@Directrix
Directrix (directrix):
Is that a cat eye type marble? It does not have a 3-D look to it but I think it is okay. Lemme look at the measurements.
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Directrix (directrix):
Would you post the assignment instructions in this thread? I have forgotten what was to be measured and what was to be found. Thanks.
OpenStudy (anonymous):
How would I make a marble 3-D looking? Lol. I'm no artist. ): And okay.
OpenStudy (anonymous):
Directrix (directrix):
If the radius of the marble is 2", then the circumference is C = 2*pi*r = 2*pi* 2 = 12.566 inches. It looks as it you multiplied that times pi*r yet again.
Directrix (directrix):
Back to the drawing board. You have to get the circumference by measuring and THEN calculate the radius.
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OpenStudy (anonymous):
I'm just going to throw that away. It's garbage.
Directrix (directrix):
Toss it because you have to begin with the circumference and show how to get the radius.