Respuesta :

Answer:

r

≈

5.05cm

r

=

1

2

A

π

A

Surface area

cm²

r

d

Unit Conversion:

A

=

320cm²

Using the formula

A

=

4

π

r

2

Solving for

r

r

=

1

2

A

π

=

1

2

·

320

π

≈

5.04627cm

Step-by-step explanation:

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