Question

The circumference of a circle is 8.65cm. Find the length of the diameter. Give your answer rounded to 2 DP.

Answer 1

Answer:

D = 2.75 cm

Step-by-step explanation:

D = C÷ π

D = 8.65 ÷ 3.14

D = 2.754

D = 2.75 cm

Answer 2

Answer:

d = 2.75 cm

Step-by-step explanation:

C = 2π·r } => C = dπ => d = C/π

2r = d

d = 8.65cm/3.14 ≈ 2.75 cm