Respuesta :
First, find the radius.
R=d218 in2=9 inNext, find the area of the whole pie.
A=π⋅r2
So the area is
π⋅9 in2=81π in2
Next, divide by 10 to get 8.1π in2.
If you must find the approximate area it will be 8.1×π or about 25.4 square inches.
First, find the radius.
R=d218 in2=9 inNext, find the area of the whole pie.
A=π⋅r2
So the area is
π⋅9 in2=81π in2
Next, divide by 10 to get 8.1π in2.
If you must find the approximate area it will be 8.1×π or about 25.4 square inches.