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Mathematics 19 Online
OpenStudy (anonymous):

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OpenStudy (jhannybean):

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OpenStudy (jhannybean):

First, the formula of a rectangular prism : \(\sf \text{ SA = 2(wl +hl + hw)}\) If you're increasing it by a scale factor of 2, just expand each side by 2 and reapply the formula :)

oregonduck (oregonduck):

Need help?

OpenStudy (anonymous):

yeah

oregonduck (oregonduck):

k one sec

oregonduck (oregonduck):

do you know what the width lengh or hieght is?

OpenStudy (anonymous):

no

oregonduck (oregonduck):

ok then let me figure this out

oregonduck (oregonduck):

The surface area of the similar prism is 2300

OpenStudy (anonymous):

what about the scale factor thing?

OpenStudy (anonymous):

and how did you do it

oregonduck (oregonduck):

the answer is 2300 those words are trying to trick you by being in the same sentence

oregonduck (oregonduck):

i got it because if it is larger by a scale factor of 2. then all you have to do if double the total for the orginal prism

OpenStudy (anonymous):

wow. okay

oregonduck (oregonduck):

yup :)

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