Diameter- The line that goes through the circle is the diameter to find the diameter take the radius and multiply it by two
Circumference- Take the radius divide by two and multiply by pi which is 3.14
Answer:

Step-by-step explanation:
We want to find an expression that has a value of

First option:

Second option:

Correct option
Third option

Fourth option:

Rewrite as (2^1/2 + 2^1/2)*(18^1/2-2^1/2) = 8
A) 264 11/2 *48
B) 66 pounds of beef needed .25*264
C) 66 pounds