A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
Find the area of a regular nonagon with an apothem 16.5 inches long and a side 19 inches long.
[A] 1410.8 in2
[B] 171.0 in2
[C] 2821.5 in2
[D] 256.0 in2
anonymous
 one year ago
Find the area of a regular nonagon with an apothem 16.5 inches long and a side 19 inches long. [A] 1410.8 in2 [B] 171.0 in2 [C] 2821.5 in2 [D] 256.0 in2

This Question is Closed

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Is this the right formula A=9/\[9/4 a ^{2}(180º/9)

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1You will have 9 triangles that all look like this dw:1433031577045:dw they will arrange to form a nonagon

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1find the area of 1 triangle, then multiply that area by 9

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And what formula would I use for that?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh ok! And 19 would be the base, while the 16.5 is the height, correct?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1correct, what area do you get?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Um, the final answer would be A right? But the area I got was 156.75

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0And then when I multiplied that by 9, I got 1210,75 which would round up to 1410.8

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1very good, you nailed it
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.