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3 years ago

Find the surface area of this rectangular prism.

Mathematics

1 answer:

kap26 [50]3 years ago

3 0

Answer:

102 un²

Step-by-step explanation:

Area surface = 4( 3 x 7 ) + 2( 3 x 3 )

4( 21 )+ 2( 9 ) =

84 + 18 = 102 un²

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