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Geometry 3rd Grading Period (9 days) Power Objective: Academic Vocabulary: Understand basic concepts of geometry. (P.O. #1) angle bisector congruent segments construction isometric drawing linear pair net orthographic drawing perpendicular bisector postulate segment bisector supplementary angles vertical angles Tools of Geometry Enduring Understandings: Essential Questions: Three-dimensional objects can be represented with a twodimensional figure using special drawing techniques. Geometry is a mathematical system built on accepted facts, basic terms, and definitions. Number operations can be used to find and compare the lengths of segments and the measures of angles. Special angle pairs can be used to identify geometric relationships and to find angle measures. Formulas can be used to find the midpoint and length of any segment in the coordinate plane. Perimeter and area are two different ways of measuring the size of geometric figures. How can you represent a three-dimensional figure with a twodimensional drawing? What are the building blocks of geometry? How can you describe the attributes of a segment or angle?