Question

brainliest** find the circumference of the objects use 3.14 or $\frac{22}{7}$ for $\pi$

also do all 3

Answer 1

Answer:

c = 28.26 cm

Step-by-step explanation:

equation for circumference of a circle is 2πr

r = d/2 so here r = 9/2 = 4.5

2 x 3.14 x 4.5 = 28.26

i only knew one sorry :((

Answer 2

28.26
53.38
615.114
Those r in order as they r in the pic