zachsteven85 zachsteven85
  • 08-04-2020
  • Mathematics
contestada


A square-based prism has a base area of 64 square meters and a total surface area of 272 square meters. What is the height of the prism?

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opudodennis
opudodennis opudodennis
  • 17-04-2020

Answer:

4.5 m

Step-by-step explanation:

-Let a be the base lengths and h be the height, the surface area can be calculated as:

[tex]A=2a^2+4ah[/tex]

Where [tex]2a^2[/tex] is the base are:

#Substitute the known values in the formula to solve for h:

[tex]2a^2=64\times 2\\a^2=64\\\\a=8\\\\\therefore A=2a^2+4ah\\272=2\times 64+4\times 8h\\\\144=32h\\\\h=4.5[/tex]

Hence, the prism's height is 4.5 m

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