Math Calculators, Lessons and Formulas

It is time to solve your math problem

mathportal.org
  • Geometry
  • Polygons
  • Number of diagonals in a polygon

Number of diagonals in a polygon

ans:
syntax error
C
DEL
ANS
±
(
)
÷
×
7
8
9
4
5
6
+
1
2
3
=
0
.
auto next question
evaluate answers
calculator
  • Question 1:
    1 pts
    Which polygon does not have any diagonals?

    Hexagon

    Octagon

    Rectangle

    Triangle

  • Question 2:
    1 pts
    For a convex nn-sided polygon, there are nn vertices, and from each vertex you can draw n3n-3 diagonals.
  • Question 3:
    1 pts
    The total number of diagonals of an nn- sided polygon is n(n3). n\cdot (n-3).
  • Question 4:
    1 pts
    If a polygon has 2525 vertex, find the number of diagonals who can be drawn from one vertex.
    2121
    1414
    1919
    2222
  • Question 5:
    2 pts
    Find the number of diagonals of a polygon if the number of vertices is 23.23.
    Number of diagonals==
  • Question 6:
    2 pts
    Determine the total number of polygon diagonals if from each vertex you can draw 27 diagonals.
    225225
    330330
    360360
    405405
  • Question 7:
    2 pts
    A polygon has 6565 diagonals. How many sides will it have?

    1313

    1212

    1010

    88

  • Question 8:
    2 pts
    There is a polygon who has 6464 diagonals.
  • Question 9:
    3 pts
    Find a polygon whose total number of diagonals is three times greater than the number of its page.
    Triangle
    Nonagon
    Octagon
    Rectangle
  • Question 10:
    3 pts
    Find a polygon whose total number of diagonals is three times greater than the number of diagonals that can be pulled from one vertex.

    Nonagon

    Octagon

    Hexagon

    none of these

  • Question 11:
    3 pts
    The sum of total number of diagonals and the number of pages of a polygon is 45. Find the number of pages of that polygon.
    1414
    1313
    1111
    1010
  • Question 12:
    3 pts
    Determine the number of polygon diagonals if the ratio of the number of diagonals and the number of pages is 9: 2.
    Number of polygon diagonals is ==