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what is the surface area of 7.9 cm, 4.5 cm, 4.0 cm?

0 votes

it is surface area.

surface-area-of-a-rectangle

asked Mar 4, 2014 in GEOMETRY by futai Scholar

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1 Answer

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Surface area of rectangular prism(SA) = 2(lb+bh+lh)

Given l = 7.9cm,b = 4.5cm,h = 4cm

SA = 2[(7.9)(4.5)+(4.5)(4)+(7.9)(4)]

= 2[35.55+18+31.6]

= 2(85.15)

= 170.3cm^2

Surface area of given rectangular prism = 170.3cm^2

answered Mar 4, 2014 by david Expert

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