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OpenStudy (anonymous):
If the side of a cube is doubled what happens to its surface area?
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jimthompson5910 (jim_thompson5910):
Say you had a cube with each side of 5 units. What is the surface area of this cube?
OpenStudy (anonymous):
150?
jimthompson5910 (jim_thompson5910):
now double each side and then find the new surface area
OpenStudy (anonymous):
600
OpenStudy (anonymous):
so as the sides are doubled the surface area is multiplied by 4?
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jimthompson5910 (jim_thompson5910):
150*k = 600 k = ???
OpenStudy (anonymous):
times 4! Thank you!
jimthompson5910 (jim_thompson5910):
yep so if you double the sides, the surface area is multiplied by 4
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