Respuesta :

Answer:

A≈78.54cm² Diamter= 10

Step-by-step explanation:

hope this helps

Answer:

A=78.54 cm sq

Step-by-step explanation:

Using the formulas

A=πr2

d=2r

Solving for A

A=1

4πd2=1

4·π·102≈78.53982cm²