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Angle Sum of Any Triangle 5:5 I can identify the sum of the angles of any triangle as 180 degrees and use the angle sum theorem to find the measure of unknown angles. http://www.youtube.com/watch?v=IxxvukI9c_o Angle Sum of any Triangle http://www.mathsisfun.com/proof180deg.html examples Scroll down YOUR TURN: 10 problems Concave and convex Polygons 5:6 I can identify a geometric figure as a polygon, distinguish between the characteristics of regular polygons and classify or name polygons according to the number of sides. Concave Polygon Convex Polygon Polygon Regular Polygon http://teachers.cpcsc.k12.in.us/jstanley/websites/Polygon%20Webquest.htm Constructing Perpendiculars 5:7 I can construct a perpendicular to a line from a point not on the lines, construct a perpendicular to a line from a point on the line, and construct a perpendicular bisector of a line segment. http://www.youtube.com/watch?v=0wxrjoHDGAM constructing a perpendicular to a point on the line Altitudes, angle bisectors, and medians 5:8 I can locate and identify the point where a triangle’s altitudes meet as its orthocente and locate and identify the point at which the angle bisector of a triangle meet as its incente. Students will be able to locate and identify the point at which the medians of a triangle meet as its centroid. http://www.cliffsnotes.com/math/geometry/triangles/altitudes-medians-and-anglebisectors cliff notes http://www.pinkmonkey.com/studyguides/subjects/geometry/chap2/g0202401.asp http://www.ixl.com/math/geometry/identify-medians-altitudes-angle-bisectors-andperpendicular-bisectors Quiz