document.write( "Question 1753: How many interior angles does a undecagon have?
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document.write( " A. 7
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document.write( " B. 9
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document.write( " C. 11
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document.write( " D. 110\r
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document.write( "How many diagonals can be drawn from each vertex of a decagon?
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document.write( " A. 7
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document.write( " B. 8
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document.write( " C. 9
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document.write( " D. 10\r
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document.write( "How many distinct diagonals does a hexagon have?
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document.write( " A. 6
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document.write( " B. 9
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document.write( " C. 12
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document.write( " D. 18\r
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document.write( "Calculate the sum of the interior angles of a convex hexagon.
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document.write( " A. 120°
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document.write( " B. 720°
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document.write( " C. 900°
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document.write( " D. 1080°\r
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document.write( "Calculate the sum of the interior angles of a convex 40-gon.
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document.write( " A. 171°
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document.write( " B. 360°
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document.write( " C. 6840°
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document.write( " D. 7200°\r
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document.write( "If possible, give the name of the convex polygon in which the sum of the interior angles equals 1260°.
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document.write( " A. hexagon
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document.write( " B. heptagon
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document.write( " C. nonagon
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document.write( " D. no such polygon exists\r
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document.write( "In the convex quadrilateral ABCD, if A D, mB = 110°, and mC = 60°, find mA.
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document.write( " A. 95°
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document.write( " B. 170°
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document.write( " C. 190°
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document.write( " D. 360°\r
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document.write( "Suppose the interior angles of a convex pentagon are five consecutive numbers, find the measure of the largest angle.
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document.write( " A. 105°
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document.write( " B. 106°
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document.write( " C. 109°
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document.write( " D. 110°\r
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document.write( "Use the following figure to answer question 12. \r
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document.write( "Which list of angles represents one set of exterior angles of LMN?
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document.write( " A. 1, 2, and 3
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document.write( " B. 2, 5, and 8
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document.write( " C. 3, 6, and 9
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document.write( " D. 1, 3, 4, 6, 7, and 9\r
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document.write( "Question 12
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document.write( "If five of the exterior angles of a convex hexagon measure 55°, 60°, 63°, 70°, and 81°, find the measure of the sixth exterior angle.
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document.write( " A. 31°
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document.write( " B. 60°
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document.write( " C. 120°
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document.write( " D. 391°\r
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document.write( "If the exterior angles of a convex octagon are x + 13, 2x - 1, 2x + 6, 2x + 12, 2x - 17, 3x - 4, 3x - 10, and 4x, calculate the smallest of the eight angles.
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document.write( " A. 19°
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document.write( " B. 21°
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document.write( " C. 32°
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document.write( " D. 37°\r
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document.write( "How many sides would a regular polygon have if each interior angle measures 162°?
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document.write( " A. 10
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document.write( " B. 12
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document.write( " C. 18
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document.write( " D. 20\r
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document.write( "How many angles would a regular polygon have if each exterior angle measures 5°?
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document.write( " A. 36
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document.write( " B. 37
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document.write( " C. 72
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document.write( " D. 74\r
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document.write( "It is possible for the exterior angles of a regular polygon to measure 30°.
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document.write( " A. true
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document.write( " B. false\r
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document.write( "
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document.write( "It is possible for the interior angles of a regular polygon to measure 145°.
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document.write( " A. true
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document.write( " B. false\r
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document.write( "Calculate the measure for each exterior angle of a regular nonagon.
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document.write( " A. 20°
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document.write( " B. 40°
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document.write( " C. 140°
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document.write( " D. 1260°\r
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document.write( "Calculate the measure for each interior angle of a regular 15-gon.
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document.write( " A. 12°
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document.write( " B. 24°
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document.write( " C. 156°
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document.write( " D. 2340°\r
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document.write( "
Algebra.Com's Answer #660 by longjonsilver(2297)![]() ![]() You can put this solution on YOUR website! undecagon...means 1-10sided ie 11-sided. Learn Latin :-)\r \n" ); document.write( "\n" ); document.write( "Interior angles...any shape can be split into triangles..a quadrilateral (any 4-sided figure) can be split into 2 triangles, so:\r \n" ); document.write( "\n" ); document.write( "3-sided figure = 1 triangle, so interior angles add up to 180 \n" ); document.write( "4-sided figure = 2 triangle, so interior angles add up to 360 \n" ); document.write( "5-sided figure = 3 triangle, so interior angles add up to 540 \n" ); document.write( "6-sided figure = 4 triangle, so interior angles add up to 720 \n" ); document.write( "etc. No formula to learn, just understand that each shape can be made up of triangles... 40 sided figure is made up of 38 triangles therefore interior angles are 38x180 = 6840degrees.\r \n" ); document.write( "\n" ); document.write( "Given an interior angle sum...divide it by 180. If you get a whole number then that is possible to have a polygon.\r \n" ); document.write( "\n" ); document.write( "All in all, so many questions on polygons...learn the basics from your notes and try to answer them and then when you get really stuck and have looked in a textbook, come here and ask a specific question rather than just writing every question you got :-D\r \n" ); document.write( "\n" ); document.write( "Enjoy maths - they are just puzzles with a definite answer. \n" ); document.write( "Jon. \n" ); document.write( " \n" ); document.write( " |