In order to compute the markup, compute the percentage like this:

The markup is then $12,32.
The selling price is the sum of the cost and the markup:
Answer:
Write down the formula for finding the area of a regular polygon. To find the area of a regular polygon, all you have to do is follow this simple formula: area = 1/2 x perimeter x apothem. Here is what it means: Perimeter = the sum of the lengths of all the sides.
hope this helps
Yes. the hundred thousands are greater than the ten thousands.