*names of polygons sides triangle 3 ... each int angle = 720 = 120° 6 all polygons have an exterior angle sum ...*

*... volume of a sphere: S=4r2 , V=4/3 r3 Some High School Theorems (Ct’d) Congruence of triangles (SAS, ASA, SSS) Triangle similarity Exterior angle of triangle in ...*

*Alternate Exterior Angles Triangle The sum of the measure of the interior angles of any triangle is 180°. Exterior Angle The measure of the exterior angle of a ...*

*... named by number of sides Number of Sides Polygon 3 4 5 6 7 8 9 10 12 n Triangle ... What is the sum of an interior angle with the exterior angle? They form a line. 180 ...*

*The reason for this is that Exterior Angles An exterior angle of a triangle is an angle, such as angle 1 in the figure, that is formed by a side of the triangle and an ...*

*30° B. 60° C. 105° D. 195° B) 60° Triangle Inequalities Exterior Angle Inequality: The measure of an exterior angle of a triangle is greater than the measure of ...*

*Number of triangles? 3 Number of degree in each triangle? 180 Total number of ... 180n = -360 -24n = -360 n = 15 Find the measure of an interior angle and an exterior angle ...*

*Triangle. Three angles (three sides) Quadrilateral. Four sides (four angles) Pentagon ... The of the measure of an exterior angle of a polygon. An exterior angle of a polygon is ...*

*30° B. 60° C. 105° D. 195° B) 60° Triangle Inequalities Exterior Angle Inequality: The measure of an exterior angle of a triangle is greater than the measure of ...*

*... Joseph M. Furner, Ana Escuder, Lisa Herron Right Triangle – Triangle with a right angle ... informal arguments to establish facts about the angle sum and exterior angle ...*

*Triangles By Christine Berg Edited By VTHamilton Triangles Can be classified by the number of congruent sides Scalene Triangle Has no congruent sides Isosceles ...*

*Angles and Triangles Angles A shape formed by two rays sharing a common endpoint; contains two rays and a vertex Types of Angles Acute angle: An angle whose measure ...*

*with Algebra Section 8-2 The Triangle Sum Theorem Focus Apply the triangle sum theorem, quadrilateral theorems and exterior angle theorem Triangle Sum Theorem The sum ...*

*Go 3.5 Triangle Sum Theorem & Exterior Angle Theorem Triangle Sum Theorem The sum of the angle measures in a triangle equal 180° Exterior Angle Theorem (your new best ...*

*This result is stated in Theorem 5.12 Theorem 5.12-Exterior Angle Inequality The measure of an exterior angle of a triangle is greater than the measure of either of the ...*

*Triangle Inequalities § 7.1 Segments, Angles, and Inequalities § 7.2 Exterior Angle Theorem § 7.3 Inequalities Within a Triangle § 7.4 Triangle Inequality Theorem*

*exterior angle. is formed by one side of a triangle and the extension of another side (i.e. 1 ). The interior angles of the triangle not adjacent to a given exterior ...*

*Properties of Triangles Objectives: E Grade Show that the angles of a triangle add up to 180o and use this to find angles. Show that the exterior angle of a triangle ...*

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