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Use complementary angles to find an unknown angle
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Use complementary angles to find an unknown angle
In this lesson you will learn to solve for unknown angle measures by using complementary angles.
ADDITIONAL MATERIALS
STANDARDS
CCSS.7.G.B.5 Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.
TEKS.7.11.C write and solve equations using geometry concepts, including the sum of the angles in a triangle, and angle relationships.
TEKS.G.5.A investigate patterns to make conjectures about geometric relationships, including angles formed by parallel lines cut by a transversal, criteria required for triangle congruence, special segments of triangles, diagonals of quadrilaterals, interior and exterior angles of polygons, and special segments and angles of circles choosing from a variety of tools;
IN.7.GM.4 Solve real-world and other mathematical problems that involve vertical, adjacent, complementary, and supplementary angles.
VA.MG.8.5 The student will use the relationships among pairs of angles that are vertical angles, adjacent angles, supplementary angles, and complementary angles to determine the measure of unknown angles.
FL.MAFS.7.G.2.5 Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.
In this lesson you will learn to solve for unknown angle measures by using complementary angles.
ADDITIONAL MATERIALS
STANDARDS
CCSS.7.G.B.5 Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.
TEKS.7.11.C write and solve equations using geometry concepts, including the sum of the angles in a triangle, and angle relationships.
TEKS.G.5.A investigate patterns to make conjectures about geometric relationships, including angles formed by parallel lines cut by a transversal, criteria required for triangle congruence, special segments of triangles, diagonals of quadrilaterals, interior and exterior angles of polygons, and special segments and angles of circles choosing from a variety of tools;
IN.7.GM.4 Solve real-world and other mathematical problems that involve vertical, adjacent, complementary, and supplementary angles.
VA.MG.8.5 The student will use the relationships among pairs of angles that are vertical angles, adjacent angles, supplementary angles, and complementary angles to determine the measure of unknown angles.
FL.MAFS.7.G.2.5 Use facts about supplementary, complementary, vertical, and adjacent angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure.
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