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The surface area of a rectangular prism is 150 cm². If all the sides are tripled, what will the new surface area be?
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well volume = a b c new volume = 3a 3b 3c
3*3*2=27 so newarea=27*a b c
oops i mean newvolume new volume will be 27 times bigger :O
Don't really get what you're saying
volume=a*b*c a b and c are the sides if you triple each side then new volume=(3*a) * (3*b) * (3*c) this can be rewritten using algebra as newvolume=27 * (a*b*c) ( ) notice abc is your original volume. so if you triple each side then the new volume = original volume *27
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So I have to find the original volume?
is that what I have to do? or do I just multiply 150*3
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