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charle [14.2K]
3 years ago
10

Find the surface area of the figure. ft

Mathematics
2 answers:
eimsori [14]3 years ago
7 0

Answer:486ft^{2}

Step-by-step explanation:

surface area= 6l^{2}

l=9

sa=6 (9^{2})= 6 x 81=486ft^{2}

Lapatulllka [165]3 years ago
3 0

Answer:

486

Step-by-step explanation:

Hello!

To find the surface area of a cube we use the equation

S = 6a^{2}

S is the surface area

a is the side length

Put what we know into the equation

S = 6*9^{2}

Solve

S = 6 * 81

S = 486

Hope this Helps!

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