Question

Which expression shows π(2r)² in simplest form?

Answer 1

12.56r2

Only if pie is 3.14

Answer 2

(

π

2

)

2

Apply the product rule to

π

2

.

π

2

2

2

Raise

2

to the power of

2

.

π

2

4

The result can be shown in multiple forms.

Exact Form:

π

2

4

Decimal Form:

2.46740110

…

Explanation: