Канал: wlfountainjr

Proof: Segments of two tangents to a circle are equal length

Proof: Segments of two tangents to a circle are equal length

Proof: Theorem angle of two tangent lines to a circle equal half the delta of the arcs

Proof: Theorem angle of two tangent lines to a circle equal half the delta of the arcs

Proof: Theorem of segments of tangent and secant lines to a circle

Proof: Theorem of segments of tangent and secant lines to a circle

Proof: Converse of the Triangle Proportionality Theorem

Proof: Converse of the Triangle Proportionality Theorem

Proof: SAS Similarity Theorem

Proof: SAS Similarity Theorem

Proof: SSS Similarity Theorem

Proof: SSS Similarity Theorem

Use Trig to find missing side or angle

Use Trig to find missing side or angle

Solve special triangle

Solve special triangle

Proof: Angle of secant and tangent lines equal half larger arc minus smaller arc.

Proof: Angle of secant and tangent lines equal half larger arc minus smaller arc.

Proof: Measure of angle of chord and tangent equal to half of arc of same chord and tangent.

Proof: Measure of angle of chord and tangent equal to half of arc of same chord and tangent.

Proof: A radius is perpendicular to a tangent line at its point of tangency.

Proof: A radius is perpendicular to a tangent line at its point of tangency.

Proof: Product of segments of two secants that intersect outside a circle are equal

Proof: Product of segments of two secants that intersect outside a circle are equal

Proof: Acute angle of two secants outside circle equal half the difference of arcs

Proof: Acute angle of two secants outside circle equal half the difference of arcs

Proof -- product of segments of two intersecting chords equal

Proof -- product of segments of two intersecting chords equal

Proof -- two chords intercept vertical angle equal one half sum of arcs

Proof -- two chords intercept vertical angle equal one half sum of arcs

Proof -- Measure of inscribed angle equal to half measure of its arc.

Proof -- Measure of inscribed angle equal to half measure of its arc.

Proof: Point on angle bisector equidistant from side of angle and its converse theorem.

Proof: Point on angle bisector equidistant from side of angle and its converse theorem.

Proof: Point equidistant from segment end points is on perpendicular bisector.

Proof: Point equidistant from segment end points is on perpendicular bisector.

Proof -- slopes of parallel lines are equal & slopes of perpendicular lines are negative reciprocal

Proof -- slopes of parallel lines are equal & slopes of perpendicular lines are negative reciprocal

Proof -- Law of Sines

Proof -- Law of Sines

Proofs: 1) isosceles trapezoid's base angles are congruent and 2) its converse

Proofs: 1) isosceles trapezoid's base angles are congruent and 2) its converse

Using postulate: "if congruent corresponding angles then parallel lines" to prove theorems

Using postulate: "if congruent corresponding angles then parallel lines" to prove theorems

Proof -- Law of Cosines

Proof -- Law of Cosines

Proof -- similar triangles perimeters share same proportion as corresponding sides.

Proof -- similar triangles perimeters share same proportion as corresponding sides.

Proof about mid-segment of a trapezoid

Proof about mid-segment of a trapezoid

Proof that exactly one pair of opposite angles of a kite is congruent

Proof that exactly one pair of opposite angles of a kite is congruent

Proof -- A kite's diagonals are perpendicular.

Proof -- A kite's diagonals are perpendicular.

Proof about mid-segment of a trapezoid

Proof about mid-segment of a trapezoid

Prove theorem -- Isosceles trapezoid's diagonals are congruent.

Prove theorem -- Isosceles trapezoid's diagonals are congruent.

Proof -- Rhombus diagonals are perpendicular

Proof -- Rhombus diagonals are perpendicular

Proof - If both pairs of opposite sides are congruent -- parallelogram

Proof - If both pairs of opposite sides are congruent -- parallelogram

numbers project # 1-10

numbers project # 1-10

Conversely, rectangles are parallelograms with congruent diagonals theorem

Conversely, rectangles are parallelograms with congruent diagonals theorem

Diagonals of Parallelograms Bisect Each Other Theorem

Diagonals of Parallelograms Bisect Each Other Theorem

Opposite Angles of Parallelogram Theorem

Opposite Angles of Parallelogram Theorem

Opposite Sides of Parallelogram Theorem

Opposite Sides of Parallelogram Theorem

Base angles of isosceles triangle theorem

Base angles of isosceles triangle theorem

Angle sum in a triangle theorem

Angle sum in a triangle theorem

Perpendicular bisector theorem

Perpendicular bisector theorem

Alternate interior angle theorem

Alternate interior angle theorem

Vertical Angles Theorem

Vertical Angles Theorem

Proof of Side Splitting Theorem

Proof of Side Splitting Theorem

Mid segment Theorem

Mid segment Theorem

How to Bisect an Angle and a Segment

How to Bisect an Angle and a Segment

Demonstatiing volume of a pyramid is 1/3 volume of a prism

Demonstatiing volume of a pyramid is 1/3 volume of a prism

Area of Compound Polygons

Area of Compound Polygons

Area of Compound Figures

Area of Compound Figures