sayedarabeya3
sayedarabeya3 sayedarabeya3
  • 07-04-2021
  • Mathematics
contestada

How many diagonals does a 12-sided convex polygon have? What is the general
rule for a convex polygon with n sides?

Respuesta :

mariammel88 mariammel88
  • 07-04-2021

Answer:

goodluck!

Step-by-step explanation:

well is 12 sided and has digonal so

Answer Link
Hrishii
Hrishii Hrishii
  • 07-04-2021

Answer:

54

Step-by-step explanation:

No of diagonals in a n sided polygon

[tex]= \frac{n(n-3)}{2} [/tex]

Therefore,

No of diagonals in a 12 sided polygon

[tex]= \frac{12(12-3)}{2} [/tex]

[tex]= 6\times 9[/tex]

[tex]= 54[/tex]

Answer Link

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