Respuesta :

clarch19

Answer:

A = 20.25π sq meters

Step-by-step explanation:

C = 2πr

9π = 2πr

divide π from each side to get:

9 = 2r

r = 9/2 or 4 1/2

A = πr²

A = π (4.5²)

A = 20.25π

pimmysoup14316

Answer:

A≈6.45

Step-by-step explanation: C 9

Using the formulas

A=πr2  

C=2πr

Solving for A

A=C2

4π=92

4·π≈6.44578

HOPE THIS HELPS! Also, can you please go to my page and answer my questions please i reallllyyy need help thx!

Otras preguntas