Question

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Find the measure (In degrees) of a central angle of a regular polygon that has 20 diagonals. 14. [-/2 points) DETAILS ALEXGEOM7 7.3.028. (a) Is it possible to draw an equilateral and concave triangle? Yes O NO (b) Is it possible to draw an equilateral and concave pentagon? Yes No 15. (-/2 Points) DETAILS ALEXGEOM7 7.3.040. A regular polygon of n sides has an exterior angle whose measure is 18 degrees larger than the measure of the exterior angle of the regular polygon with (+1) sides. Find n. Name the type of polygon that has n sides O triangle O quadrilateral O pentagon octagon O nonagon 16. (-/1 Points DETAILS ALEXGEOM7 7.1.002 In the figure, which of the points F, G,M), and belong to the focus of points in the plane that are at distance from line ? (Select all that apply.) .G G D

Answer 1

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Webcam (14) (a) A ole more angles greates than Surce PAGE NO concave polygon has intealoe 1800 Thus a taiangle can No. Concave exists. neve e be concave. (5) Yes o equilateral pentagons lis Ex Teaude e angle of polygon with a side n Extenio e angle of polygon with (n+1) sides nti Accoeding to question a 18° 360° ntl 360 + 18 n + 18 = 360 nti 36ont 18n² + 18n 360n + 36o 18n2 +18n - 360 -5 Sides cannot be negative n = 4. n=u , Polygon with n= u side u quadulateral. 16) The points EF, H and x belongs to locus-