Casey J.
asked • 09/18/19Find Surface Area
What is the surface area of a box if the it has a side with 20cm a side with 10 common and a side with 3cm
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1 Expert Answer
Mark M. answered • 09/18/19
Tutor
5.0
(278)
Mathematics Teacher - NCLB Highly Qualified
bottom: 20 cm x 3 cm = 60 cm2
2 sides: 20 cm x 10 cm = 400 com2
2 sides:10 cm x 3 cm = 60 cm2
And if the box is closed
top: 20 cm x 3 cm = 60 cm2
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Mark M.
Repost specifying the length, width, and height.09/19/19