A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 one year ago
How many diagonals can be drawn from a vertex of an ngon?
A.) n  3
B.) n  2
C.) n  1
D.) n
anonymous
 one year ago
How many diagonals can be drawn from a vertex of an ngon? A.) n  3 B.) n  2 C.) n  1 D.) n

This Question is Closed

perl
 one year ago
Best ResponseYou've already chosen the best response.0I would start by doing examples and then looking for a pattern.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I got A. Is that right?

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.2Lets take a pentagon and see how many triangles it has.

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.2dw:1435075198350:dw

perl
 one year ago
Best ResponseYou've already chosen the best response.0A rectangle has n=4 sides. How many diagonals can you draw. A pengtagon has n=5 sides. How many diagonals can you draw.

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.2also, if you remember the formula for finding out the sum of the interior angles of a polygon with n sides, that is a good hint for you :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I still don't understand..

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.2dw:1435075439753:dw I cut it once, and now we got one triangle. Can you make another without ruining the first triangle?

AbdullahM
 one year ago
Best ResponseYou've already chosen the best response.2Can you draw that line, please. Use the button in the drawing that says "Copy Previous Drawing"
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.