23 units sure does hope this helps
I am hoping that the a in c = ad is supposed to be x.
The formula for circumference is c = pi * diameter with 3.14 substituting for pi.
Let’s plug in some values
172.7 = 3.14d
Divide
55 = d
The diameter should be 55 cm.
Answer:
5
Step-by-step explanation:
because 5•5=25 and 25-13=12
30 because it is in the tenths place