Respuesta :

Answer:

8.8 in

Step-by-step explanation:

To find a circumference you need the diameter. To find the diameter you multiply the radius x2.


1.4x2=2.8

Tp get the circumference you multiply the diameter by pi or 3.14

The formula is [tex]\pi[/tex]d

so you multiply 2.8 by pi which is=8.79645943005 or to the nearest hundredth=8.8

Answer:

area = 50.27 sq inches

circumference = 25.14 in

Step-by-step explanation:

given radius r = 4 in

area = πr² = 3.142 x 4² = 50.27 square inches

circumference = 2πr = 2 x 3.142 x 4 = 25.14 inches

i hope this work for you