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Please help fast!! what is the surface area??

Please help fast!! what is the surface area??-example-1
User Jake Z
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1 Answer

4 votes
The two trapezoidal faces together have an area of
.. (5 in)*(5 in +9 in) = 70 in^2

The remaining surface can be unfolded to an area that is
.. (5 in)*(5 in +9 in +6.4 in +5 in) = 127 in^2

Together, these add to
.. 70 in^2 +127 in^2 = 197 in^2 . . . . . . . the 4th selection
User CreateSean
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8.3k points