Answer:
4π cm
Explanation:
GIVEN :-
- Diameter of half circle = 8cm
TO FIND :-
- Circumference of half circle
FACTS TO KNOW BEFORE SOLVING :-
Circumference of a circle with radius 'r' is =

⇒ Circumference of half-circle with radius 'r' =

SOLUTION :-
Radius =

So , Circumference of half-circle =
cm