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Please Help Gracias! 

 

 Jun 11, 2019
 #1
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The base area is just the area of a square = 0.9^2  = 0.81  ft^2

 

Nickolas.....we have four triangles comprising the sides

 

Their height  = 4ft  and their base   =  0.9 ft

 

So....their total area  =  4 (1/2) base * height  =  4(1/2) (0.9) (4)  =  2 (0.9)(4)  = 8 (0.9) = 7.2 ft^2

 

So the toal suface area  =   [ 0.81 + 7.2] ft^2  =  8.01 ft^2

 

 

cool cool cool

 Jun 11, 2019

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