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Earn +20 ptsQ: How many diagonals in a pentagon?
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Continue Learning about Geometry
How many diagonals does a regular pentagon have?
5 diagonals
Number of diagonals in a pentagon?
0.5*(25-15) = 5 diagonals
What is the number of diagonals in a pentagon?
5
How many triangles are formed by the diagonals from five vertex of a pentagon?
1 triangle is formed.
Does a pentagon have 5 diagonals?
Yes. A polygon has n(n-3)/2 diagonals, so if n=5: 5(2)/2 =5
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