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  • Matt James
      Slopes of parallel lines
      Slopes of Perpendicular Lines
      Points of Concurrency
      Station 2 - Orthocenter Activity
      Circumcenter Activity
      Lengths of parts of medians using the centroid
      Exterior Angle Inequality
      Angle from Side and Side from Angle Inequalities
      Triangle Side Inequality
      Triangle Proportionality Theorem
      Proportional segments of parallel lines
      Proportional segments by the angle bisector of triangle
      Pythagorean Theorem Proof
      Pythagorean Theorem Proof 2
      Classifying Triangles from the Pythagorean Theorem
      Altitude Forms Similar Triangles Animation
      Right Triangle Altitude Ratios
      Solving Right Triangles Quiz
      Interior Angles of Polygons
      Translation
      Coordinate Notation Translation Quiz
      Rotation of points in a triangle quiz
      Double Reflection Over Parallel Lines
      Double Reflection Over Intersecting Lines
      Congruent chords in a circle
      Finding the diameter of a broken dinner plate
      measure of inscribed angles = 1/2 the intercepted arc
      Demonstration of the Inscribed Angle
      Arc with Tangent Measures - Quiz
      Angle Measures from Intersection inside circle
      Finding Measures of Tangent/Secant Arcs
      intersection of secants, chords, and tangents of a circle
      Length of Chords, Secant Segments, and Tangent Segments
      formula for Area and Perimeter of Circle
      Finding the Area of a regular polygon
      Rotating Pyramid

Matt James

Author:
Melzoo
Ch.3 slopes of parallel lines

  • Slopes of parallel lines

  • Slopes of Perpendicular Lines

  • Points of Concurrency

  • Station 2 - Orthocenter Activity

  • Circumcenter Activity

  • Lengths of parts of medians using the centroid

  • Exterior Angle Inequality

  • Angle from Side and Side from Angle Inequalities

  • Triangle Side Inequality

  • Triangle Proportionality Theorem

  • Proportional segments of parallel lines

  • Proportional segments by the angle bisector of triangle

  • Pythagorean Theorem Proof

  • Pythagorean Theorem Proof 2

  • Classifying Triangles from the Pythagorean Theorem

  • Altitude Forms Similar Triangles Animation

  • Right Triangle Altitude Ratios

  • Solving Right Triangles Quiz

  • Interior Angles of Polygons

  • Translation

  • Coordinate Notation Translation Quiz

  • Rotation of points in a triangle quiz

  • Double Reflection Over Parallel Lines

  • Double Reflection Over Intersecting Lines

  • Congruent chords in a circle

  • Finding the diameter of a broken dinner plate

  • measure of inscribed angles = 1/2 the intercepted arc

  • Demonstration of the Inscribed Angle

  • Arc with Tangent Measures - Quiz

  • Angle Measures from Intersection inside circle

  • Finding Measures of Tangent/Secant Arcs

  • intersection of secants, chords, and tangents of a circle

  • Length of Chords, Secant Segments, and Tangent Segments

  • formula for Area and Perimeter of Circle

  • Finding the Area of a regular polygon

  • Rotating Pyramid

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Slopes of parallel lines

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