anonymous
  • anonymous
How many diagonals can be drawn from a vertex of an n-gon? A.) n - 3 B.) n - 2 C.) n - 1 D.) n
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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perl
  • perl
I would start by doing examples and then looking for a pattern.
anonymous
  • anonymous
I got A. Is that right?
AbdullahM
  • AbdullahM
wrong.

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More answers

AbdullahM
  • AbdullahM
Lets take a pentagon and see how many triangles it has.
AbdullahM
  • AbdullahM
|dw:1435075198350:dw|
anonymous
  • anonymous
5
perl
  • perl
A rectangle has n=4 sides. How many diagonals can you draw. A pengtagon has n=5 sides. How many diagonals can you draw.
AbdullahM
  • AbdullahM
also, 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
  • anonymous
I still don't understand..
AbdullahM
  • AbdullahM
|dw:1435075439753:dw| I cut it once, and now we got one triangle. Can you make another without ruining the first triangle?
anonymous
  • anonymous
yes
AbdullahM
  • AbdullahM
Can you draw that line, please. Use the button in the drawing that says "Copy Previous Drawing"

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