Answer:

Step-by-step explanation:
Circumference of a circle is 
The diameter is
inches as shown in the readings of the scale.


Answer:
2/4
Step-by-step explanation:
half/whole for any number really
Answer:
<h2>
19.596 feet</h2>
Step-by-step explanation:
Use the pythagorean theorem.
a^2 + b^2 = c^2
a = 20ft
c = 28ft
400 + b^2 = 784
b^2 = 384
b = 19.596