Question

Find the surface area of the figure. ft

Answer 1

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!

Answer 2

Answer:486$ft^{2}$

Step-by-step explanation:

surface area= 6$l^{2}$

l=9

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