TRUE or FALSE
1.)Is a polygon is a closed figure formed by felting together segments and to end with its segment intersecting exactly to others ?
2.)a polygon is concave if no diagonals is in the exterior of the polygon?
3.)pentagon is a polygon with 6 sides?
4.)a diagonal of a polygon is a line segment that connects two nonconsecutive a vertices?
5.)a regular polygon is equiangular?
6.)a circle is a polygon?
7.)if a polygon has 11 sides then it is a nonagon?
8.)the sum of the measures of the interior angles of quadrilateral is 360°?
9.)dodecagon is a polygon with 12 sides?
10.)every convex polygon with π sides has
[tex] \frac{n( n- 3)}{2} [/tex]
diagonals.
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