Answer:
c
Step-by-step explanation:
Answer:
20 is the longer piece, 9 is the shorter piece
Step-by-step explanation:
9*2=18
18+2=20
20+9=29
Answer:

Step-by-step explanation:
From the question we are told that:
Diameter 
Radius
Generally the equation for Circumference of a circle is mathematically given by

