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Mrs. Karabin wants to paint the inside of her brand new two-car garage. The garage is 20 feet wide, 24 feet long, and 12 feet tall. She wants to paint the walls and the ceiling (not the floor). What’s the surface area of the parts she wants to paint?

Respuesta :

calculista

Answer:

The surface area is [tex]1,536\ ft^{2}[/tex]

Step-by-step explanation:

we know that

The surface area is equal to

[tex]SA=B+PH[/tex]

where

B is the area of the ceiling

P is the perimeter of the base

H is the height of the walls

substitute the given values

[tex]SA=(20)(24)+2(20+24)(12)[/tex]

[tex]SA=480+1,056=1,536\ ft^{2}[/tex]

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