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An exterior angle of a triangle, or any polygon, is formed by extending one of the sides of the triangle (or polygon). ... The exterior angle is supplemental to the adjoining interior angle. Notice: ABC =46° and the exterior angle is 134°. ... double angle formula...
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www.mathwarehouse.com/geometry/triangles/index.php
www.mathwarehouse.com/geometry/triangles/index.php
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There's a formula to find both the interior and exterior angles for any regular polygon. Interior angles: A = 189(n-2)/n, where n = number of sides, and A = interior angle. I think question 1 is actually two questions, one with the interior...
http://answers.yahoo.com/question/index?qid=20091006205...
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For example, the first corollary gives a formula for finding the measure of an exterior angle to a regular n-gon. Putting this together with the Linear Pairs Conjecture would give us a way to calculate the measure of each interior angle of a regular n-gon.
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www.geom.uiuc.edu/~dwiggins/conj09.html
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If we consider A and B to be the angles we already know and X to the angle we do not know, then to determine the exterior angle (Y) of X use this formula: 360 -{180 - (A + B)}=Y. Make sure you use the BEDMAS rules...
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www.askipedia.com/askipedia-article-015004-344.htm
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An angle between one side of a polygon and the extension of an adjacent side. ... Note: The sum of the exterior angles of any convex polygon is 360°. This assumes that only one exterior angle is taken at each vertex.
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www.mathwords.com/e/exterior_angle.htm
www.mathwords.com/e/exterior_angle.htm
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Therefore, to obtain the exterior angle of a polygon, you have to divide 360 degrees (which is the numerator) by the variable, which is represented by the lower case letter n, in the denominator. The formula to find the measurement of an exterior angle, therefore, is 360degrees/n.
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www.blurtit.com/q456502.html
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Is there a formula for angle? ... Sci-Tech Dictionary: double angle formula ... Find the number of sides of a regular polygon if each interior angle is double of exterior angle?
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www.answers.com/topic/double-angle-formula
www.answers.com/topic/double-angle-formula
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Geometry question: What is the formula to find the sum of exterior angles of a polygon? all exterior angles equal 360 ... Heptagon exterior angles? Dodecagons exterior angles? Sum of exterior angles of nanogon? What is wha exterior angle formula? Polygon Exterior Angle Sum Theorem? Some of exterior angles ina polygon?
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wiki.answers.com/Q/What_is_the_formula_to_find_the_sum_...
wiki.answers.com/Q/What_is_the_formula_to_find_the_sum_of_exterior_angles_of_a_polygon
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At each vertex, there is an interior angle of the polygon. If the polygon has x sides, the sum, S, of the degree measures of these x interior sides is given by the formula S = (x - 2)(180). ... If a regular polygon has x sides, then the degree measure of each exterior angle is 360 divided by x or simply put 360/x.
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www.freemathhelp.com/feliz-interior-polygon.html
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