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all the faces of the prism meet at right angles. The volume of the prism is 490 m3(cubed). what is the surface area of the prism, in square meters.

 

 Mar 5, 2021
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You'll have to find the depth of the object

 

frot face area = 7 x 8.2    - 4.2 x 2 = 49 m2  

 

49 m^2 * depth = 490 m3          10. m = depth

 

NOW,  surface area = 49 *2    + 7*10    + 4*10     + 2*10   + 4.2 *10   +  5*10  +    8.2 * 10  = .......... m2

 Mar 5, 2021

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