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Mathematics 14 Online
OpenStudy (anonymous):

The cube has a surface area of 24 cm2. What would the surface area of the prism be if each dimension were quadrupled? cm2 Cube with a side length of two centimeters

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

2^4 = ?

OpenStudy (anonymous):

16

OpenStudy (igreen):

Yes, and the formula for the surface area of a cube is: SA = 6a^2 Where 'a' is the side length, plug it in.

OpenStudy (anonymous):

24?

OpenStudy (igreen):

No. \(6(16)^2\)

OpenStudy (anonymous):

256?

OpenStudy (igreen):

Yes, \(16^2 = 256\) Now multiply 6

OpenStudy (anonymous):

1536

OpenStudy (igreen):

Yep, that's our answe.r

OpenStudy (igreen):

*answer

OpenStudy (anonymous):

Thank you :D

OpenStudy (igreen):

No problem.

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