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OpenStudy (anonymous):
Math question.
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OpenStudy (projects):
Surface Area of a rectangular prism with a base length of 70 mm^2, perimeter of the base is 50 mm. The height of the prism is 9 mm. let a= base length, b = base width, c = height=9. a*b= 70. a+b+9=50, or a+b=41, now bc+ca= c(a+b)=9*41=369 so suface area= 2(ab+bc+ca)= 2(70+369)=878 mm^2
OpenStudy (anonymous):
You're not allowed to copy and paste answers. http://brainly.com/question/401899 http://openstudy.com/code-of-conduct @Projects
OpenStudy (projects):
Sorry, I just literally joined today. @ThatOneLibrarian
OpenStudy (anonymous):
It's fine. @Projects
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