Respuesta :

3136405380

This is easy bro,

So first, all you have to do is finding the half circumstance,

the formula for circumstance is:

C=π*d

since the diameter is 8, therefore,

C=π*8

C=8π,

using 3.14 for π,

8*3.14=

25.12

Hope this helps!!!!

Answer:

25.12 units

4 x 4 x 3.14 / 2

Step-by-step explanation: