6.28 because pi x diameter = circumference.
( diameter = half of a circle)
Step-by-step explanation:
your answer's correct.
Step-by-step explanation:
Answer:
it will cost 8.28
Step-by-step explanation:
Answer:
Blue circle=9π-28.284
Yellow circle=23/2π-36.128
Step-by-step explanation:
the circumfrence is worked out using the equation =pi x diameter
hope this helps ;) xx