7.which of the polygon has nine vertices? A.decagon B.heptagon C.hexagon D.nonagon 8.in polygon ABCD,how many diagonals can be formed? A.0 B.1 C.2 D.3 9.in triangle MAN, all aside are equal. If MA = 16cm,what is the measure of MN? A. 8 B.16 C.32 D. 64 10.In a quadrilateral BEST, BE is congruent to ST.BE =5cm, what is the measure of 3? A.5 B.10 C.20 D.25 12.Which is the consecutive vertices of pentagon CHONA? A. C,O,N,H,A B. C,H,A,N,O C. H,O,N,C,A D, A,N,O,H,C 13.How many interior angles are there in a regular 36-gon? A.36 B.24 C.12 D.10 14.if one of the sides of a 32-gon is 45 cm, what is the perimeter of the polygon? A. 540 B.1440 C.2880 D.5760
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