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Ten unit cubes are glued together as shown. How many square units are in the surface area of the resulting solid?

 

 

Guest Jun 30, 2018
edited by Guest  Jun 30, 2018
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Solution:

Subtract covered surface area from total surface area

 

Total Surface Area = 10*[(6)*(102)] = 10(600) = 6000 units2

Covered Surface Area = (2)*(2)*(3)*(102) = 1200 units2

 

Surface Area of resulting solid = 4800 units2

GingerAle  Jun 30, 2018

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