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RealLifeJuul:
the edges of a rectangular sold have lengths 2x, 3x and 5x. what is the total surface area of the solid? 30x^2 60x^2 62x62 30x^3
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RealLifeJuul:
@Pixel
Pixel:
sold?
Pixel:
oh wait solid
RealLifeJuul:
solid**
Pixel:
is the 62x62 supposed to be 62^2?
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RealLifeJuul:
im pretty sure its supposed to be 62x^2
Pixel:
We have 6 faces with three different rectangular areas being doubled so we have 2 [ (2x * 3x) + (2x * 5x) + (3x * 5x)] = 2 [ 6x2 + 10x2 + 15x2 ] = 2 [ 31x2 ] = 62x^2
RealLifeJuul:
Tysm could you help with a few more Ill just post if I need help?
Pixel:
yah
RealLifeJuul:
sweet!
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