Respuesta :
Area of Circle = pi * r* r
Diameter = 2* r
Radius = 30/2 = 15 cm
pi = 3.14
Area of circle = 3.14 * 15 *15 = 707.14 cm ^2
Area of Circle = Pi r^2
Diameter = 30cm
Radius = 15 cm
=> 3.14 x 15 x 15
=> 706.5 cm ^3
Diameter = 30cm
Radius = 15 cm
=> 3.14 x 15 x 15
=> 706.5 cm ^3