187k views
2 votes
A 7 sided polygon has a area of 70in and a perpendicular distance of 5in what is the perimeter?

User Smarttechy
by
5.5k points

2 Answers

1 vote

Check the picture below.


\bf \textit{area of a regular polygon}\\\\ A=\cfrac{1}{2}ap~~ \begin{cases} a=apothem\\ p=perimeter\\[-0.5em] \hrulefill\\ A=70\\ a=5 \end{cases}\implies 70=\cfrac{1}{2}(5)p\implies 140=5p \\\\\\ \cfrac{140}{5}=p\implies 28=p

A 7 sided polygon has a area of 70in and a perpendicular distance of 5in what is the-example-1
User Pan
by
5.0k points
2 votes

Answer:

Explanation:

User David Yates
by
5.7k points