Answer:
A. 
Step-by-step explanation:
Given:
The regular polygon is a decagon having 10 sides.
Perimeter of the given polygon is,
.
We know that, perimeter of a regular polygon of
sides is given as,
where,
is the length of each side.
Here, 
Plug in these values and solve for
. This gives,

Therefore, the side length of the given polygon is 
Answer:
$13.68
Step-by-step explanation:
An easy way to find 3/8 of $36.48 is to find 1/8 first. To do this divide 36.48 by 8. This equals 4.56, then to find 3/8 multiply this by 3. Which equals $13.68. A faster way to do this is also to just multiply 3/8*36.48, which also equals $13.68.
Answer:
A
ellipse
Step-by-step explanation:
Every answer except the last one <span />