exterior angle96 videos
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Exterior Angles of a Polygon
GeometryPolygons
How to find the sum of the exterior angles in a polygon and find the measure of one exterior angle in an equiangular polygon.
exterior angle sum of angles equiangular polygon -
Alternate Exterior Angles
GeometryReasoning, Diagonals, Angles and Parallel Lines
How to define alternate exterior angles and their special properties.
parallel lines angles congruence exterior transversal -
Same Side Interior and Same Side Exterior Angles
GeometryReasoning, Diagonals, Angles and Parallel Lines
How to describe same side interior and same side exterior angles and their special properties.
parallel lines angles congruence interior exterior transversal -
Remote Interior Angles
GeometryTriangles
How to define exterior angles and their remote interior angles and how to prove their properties.
exterior angle remote interior angle non adjacent angle -
仰角和抑郁
GeometryBasic Trigonometry
How to define an angle of elevation or an angle of depression.
trigonometry angle of elevation angle of depression -
仰角和抑郁
TrigonometryBasic Trigonometry
How to define an angle of elevation or an angle of depression.
trigonometry angle of elevation angle of depression -
仰角和抑郁
PrecalculusBasic Trigonometry
How to define an angle of elevation or an angle of depression.
trigonometry angle of elevation angle of depression -
Supplementary and Complementary Angles
GeometryGeometry Building Blocks
How to identify supplementary and complementary angles.
angles sum right angle -
Inscribed Angles
GeometryCircles
How to calculate the measure of an inscribed angle.
inscribed angle intercepted arc central angle congruent arcs -
Angles
Pre-AlgebraIntroductory Geometry
Vocabulary of angles and how to measure an angle with a protractor
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Corresponding Angles
GeometryReasoning, Diagonals, Angles and Parallel Lines
How to define corresponding angles and their special properties.
parallel lines angles congruence -
Angle Bisectors
GeometryGeometry Building Blocks
How to label an angle bisector; how to use an angle bisector to find a missing variable.
congruent angles ray -
Duplicating an Angle
GeometryConstructions
How to duplicate an angle using a compass and straightedge.
congruent angles construction compass straightedge -
Radian Measure of Angles
TrigonometryTrigonometric Functions
How to measure angles using degrees or radians.
angle degree measure acute angle right angle obtuse angle radian measure -
Radian Measure of Angles
PrecalculusTrigonometric Functions
How to measure angles using degrees or radians.
angle degree measure acute angle right angle obtuse angle radian measure -
Angles in Semicircles and Chords to Tangents
GeometryCircles
How to prove that an angle inscribed in a semicircle is a right angle; how to solve for arcs and angles formed by a chord drawn to a point of tangency.
inscribed angle semicircle tangent chord intercepted arc -
Angle Inclination of a Line
TrigonometryAdvanced Trigonometry
How to find the angle of inclination of a line.
angle inclination horizontal lines tangent slope -
Angle Inclination of a Line
PrecalculusAdvanced Trigonometry
How to find the angle of inclination of a line.
angle inclination horizontal lines tangent slope -
Alternate Interior Angles
GeometryReasoning, Diagonals, Angles and Parallel Lines
How to define alternate interior angles and their special properties.
parallel lines angles congruence interior transversal -
Triangle Angle Sum
GeometryTriangles
How to apply the triangle angle sum theorem.
triangle angle sum theorem 180 degrees