Answer:
The 1st one ( 19 to 21 )
Step-by-step explanation:
19, 20, and 21 have the most dots.
15 times 6 is 90
I hope it’s right a million apologies if I’m wrong
I know the answer if you need it
Here is your answer. Hope it helps
Answer:
Radius:
.
Diameter:
units
Circumference: 
Step-by-step explanation:
In the given diagram, the
units.
The radius of the circle is
.
The circumference of the circle is given by

We substitute
into the formula to obtain;
