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Find the surface area of a rectangular prism measuring 5 m by 8 m by 9 m.
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2 votes
Find the surface area of a rectangular prism measuring
5 m by 8 m by 9 m.

User Edwardth
by
5.7k points

1 Answer

2 votes
The formula of the surface area of the rectangular prism is equal:

A=2(wl+wh+lh)
where:
l - length
w - width
h - height
We have:
l = 5m
w = 8m
h = 9m
Substitute:

A=2\cdot(5\cdot8+5\cdot9+8\cdot9)=2\cdot(40+45+72)=2\cdot157=314\ m^2

User Lanrat
by
5.3k points
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