Asked by Cate

Can someone please help me figure this out I don't know geometry nor measurement that well.
I don't know where to begin ;(

A right rectangular prism has a length of 15 millimeters, width of 3 millimeters, and height of 4 millimeters.
(idk how to put the photo I'm sorry)
What is the surface area of the prism?
Answered by Reiny
You will have 3 pairs of rectangles
SA = ( 2(15)(3) + 2(15)(4) + 2(3)(4) ) mm^2
= ...
Answered by Cate
234? :D
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