Question

A cube has a face with an area of 64 square inches. What is the surface area of the cube?

Answer 1

96 inch

V

=

64

c

u

b

i

c

i

n

c

h

e

s

Let us suppose

a

is the side length of the given cube:

a

3

=

64

c

u

b

i

c

i

n

c

h

e

s

a

=

(

64

)

1

3

a

=

4

i

n

c

h

e

s

Now the surface area of the cube:

S

=

6

a

2

=

6

(

4

)

2

=

6

(

16

)

=

96

i

n

c

h

2