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Transcript
Module 9 Vocabulary Grade 7 Test Thurs., February 9, flashcards due Wed., Feb. 1 Acute angle- an angle that measures greater than 0° and less than 90° Adjacent angles - pairs of angles that share a vertex and one side but do not overlap. Diameter- Line segment that passes through the center of a circle and has endpoints on the circle. Circumference -The distance around a circle. Complementary angles -two angles whose measures have a sum of 90°. Congruent angles - angles that have the same measure Obtuse angle- an angle whose measure is greater than 90° but less than 180° Pi- the ratio of circumference to diameter. Radius - Line segment with one endpoint on a circle and one at the center of the circle. Right angle- an angle that measures 90° Supplementary angles - two angles whose measures have a sum of 180°. Vertical angles - the opposite angles formed by two intersecting lines Vertex – on an angle or polygon, the point where two sides intersect.