Respuesta :

Mibo

Answer:

Step-by-step explanation:

A = 1/4 pie d2

= 1/4(22/7)(12)2

= 1/4(22/7)144

= 113.1

Jsf09

Answer:

72π

Step-by-step explanation:

A = 2πr^2

2π (6)(6) = 72π