Respuesta :

Answer:

47.5

Step-by-step explanation:

The formula for the area of half a circle is (pi * radius^2)/2

diameter = 11

pi = 3.14

radius = diameter/2 = 11/2 = 5.5

A = (3.14 * 5.5^2)/2

A = 94.985/2

A = 47.4925