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OpenStudy (anonymous):
A sphere is circumscribed about a cube that has edges of 4 cm. Correct to nearest tenth of a square centimeter, find the approximate surface area for the sphere. Use the calculator value of pi
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OpenStudy (mathstudent55):
Here's a cube. |dw:1399215511244:dw|
OpenStudy (mathstudent55):
What is the diameter of the circumscribed circle?
OpenStudy (anonymous):
4
OpenStudy (mathstudent55):
4 cm is the side of the cube. That is not the diameter of the circle. The diameter of the circle is the length of the diagonal of the cube. |dw:1399215767085:dw|
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