SOLUTION: no.of diagonals a polygon having 'n' sides has 1\2n(n-3) . is there a polygon with 25 diagonals ? is there then find the side.
Algebra.Com
Question 1025273: no.of diagonals a polygon having 'n' sides has 1\2n(n-3) . is there a polygon with 25 diagonals ? is there then find the side.
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Solve for n:
<==> n(n-3) = 50 <==>
Since this quadratic equation has no solution in whole numbers, there is no polygon with 25 diagonals,
RELATED QUESTIONS
if polygons of n sides has 1/2n(n-3) diagonals, how many sides will a polygon with 65... (answered by MathLover1)
If a polygon of n sides has (n/2)(n - 3) diagonals, how many sides will a polygon with 65 (answered by ikleyn)
Solve the problem.
If a polygon, of n sides has 1/2n(n - 3) diagonals, how many sides... (answered by Edwin McCravy)
A convex polygon is a polygon whose interior angles are between 0 and 180. The number of... (answered by robertb)
If a polygon of n sides has (1/2)(n)(n - 3) diagonals, how many sides will a polygon with (answered by ikleyn,math_tutor2020)
If a polygonal n sides has (n/2)(n - 3) diagonals, how many sides will a polygon with 65... (answered by ikleyn,math_tutor2020)
A polygon of n side has {{{n(n-3)/2}}} diagonals. How many sides has a polygon with 77... (answered by Edwin McCravy)
If I know the polygon to get the number of diagonals I can use the formula n(n-3)/2... (answered by jim_thompson5910)
A convex polygon has n sides and 12 n diagonals. Find the value of n . (answered by AnlytcPhil)