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A polygon has 20 diagonals

If a polygon is a kite, which statement is not true?a. The polygon is a quadrilateral. b. The polygon has exactly two distinct
1. 1 answer
2. asked by roddy
3. 726 views
Permutation and combinationA diagonal of a polygon is defined to be a line joining any two non-adjacent vertices. 1.Show that
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2. asked by Raj
3. 2,659 views
A polygon has d diagonals. If the polygon had one more side, it would d + 10 diagonals. How many sides does the polygon have?
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2. asked by melissa
3. 599 views
What polygon has 20 diagonals?I don't know how to figur this out.THANKS!!!! A rectangle (4 sides) has 2 diagonals. A hexagon (6
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2. asked by cole
3. 652 views
The number of diagonals, d, in a polygon of n sides is given by the formula d=n^2-3n/2. If a polygon has 90 diagonals, how many
1. 3 answers
2. asked by thomas
3. 3,175 views
I can't find the formula for the sides of a polygon vs. the total diagonals that it has! ex: 3 sided polygon, 0 diagonals, 4
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2. asked by Caleb
3. 738 views
A drawing of diagonals for four different polygons is listed below. What is the number of diagonals for a 100-sided polygon?
1. 2 answers
2. asked by dan
3. 511 views
A polygon is such that when all diagonals from one vertex are drawn, eleven triangles are formed. How many sides does the
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2. asked by Luke Jones
3. 707 views
The number of diagonals D I a polygon of n sides is given in the formula D=n(n-3)/2.Use the formula to find: A. The number of
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2. asked by Raven
3. 1,077 views
(a) A polygon with n sides has a total of 1/p*n(n-q) diagonals, where p and q are integers.(i) find thhe value of p and q (ii)
1. 4 answers
2. asked by preeti
3. 3,108 views