WebDec 31, 2024 · Draw an octagon, select one vertex and construct each diagonal from this vertex.You will see there are 5 such diagonals. Thus for each of the 8 vertices you can draw 5 diagonals and hence you have constructed 5 8 = 40 diagonals. But you have constructed each diagonal twice, once from each of its ends. WebMar 26, 2016 · You know what the formula for the number of diagonals in a polygon is, and you know that the polygon has 90 diagonals, so plug 90 in for the answer and solve for n: …
Octagon: Shape, Sides, Angles, Meaning, Formula - Embibe
WebLocated in: tokorozawa city , saitama, Japan. Delivery: Estimated between Fri, Apr 28 and Sat, May 6 to 23917. This item has an extended handling time and a delivery estimate greater than 12 business days. Please allow additional time if international delivery is subject to customs processing. Returns: WebApr 10, 2024 · The number of diagonals of an octagon = 104. 2. Find the number of sides of a polygon with 90 diagonals? Solution: Let the number of sides of a polygon with 90 … how to describe your values
Diagonals of a Polygon: Formula and How to Find - Study.com
WebJan 27, 2024 · The diagonals will extend from this vertex ONLY. Considering that a diagonal can not extend to the vertex directly adjacent to it (because it just traces the side), we eliminate two possibilities (8 - 2 = 6 diagonals). Also, you can not extend a diagonal from a vertex to that same vertex. WebCorrect option is D) ⇒ Number of diagonals = 2n(n−3) Where, n= number of sides. ⇒ Number of sides =8 ⇒ Number of diagonals = 28(8−3) = 28×5 = 240 =20 Was this answer helpful? 0 0 Similar questions Calculate the maximum number of diagonals that can be drawn in an octagon using the suitable formula Easy View solution > WebDec 26, 2024 · Number of ways you can select 2 verices= 8C2=28 Number of ways these vertices form a diagonal= nC2-n=8C2-8=20 the probability that these vertices form a diagonal of the octagon. = 20/28=5/7 firas92 wrote: ABCDEFGH is an octagon. how to describe yourself for dating profile