side length inequalities84 videos
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ASA and AAS
GeometryTriangles
How to use the ASA and AAS shortcuts to determine the congruence of two triangles.
triangle congruence angle side angle angle angle side -
Central Angles and Intercepted Arcs
GeometryCircles
How to define a central angle and find the measure of its intercepted arc; how to describe the intercepted arcs of congruent chords.
chord central angle intercepted arc arc measure congruent chords side side side shortcut -
Area of Kites and Rhombuses
GeometryArea
How to derive the area formula of a kite based on the rectangle formula; how to calculate the area of a rectangle using diagonal lengths.
kite area diagonals consecutive sides vertex angle non vertex angle bisect perpendicular rhombus -
Infinite Limits; Vertical Asymptotes
CalculusLimits and Continuity
How to use one-sided limits to find a vertical asymptote.
one sided limits infinity limit does not exist rational functions left hand limit right hand limit table of values numerical approach vertical asymptote -
Solving an Equation with Radicals
Algebra 2Roots and Radicals
How to solve an equation with a square root.
radical equation squaring both sides -
Similar Triangles
Pre-AlgebraIntroductory Geometry
Overview of similarity: congruent angles, proportional corresponding sides
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Deriving the Quadratic Formula
Algebra 2Quadratic Equations and Inequalities
How to derive the quadratic formula by completing the square.
功能 domain parent functions inequalities interval notation -
Finding the Domain of a Function
PrecalculusIntroduction to Functions
How to find the domain of a function when it has rational or radical expressions.
功能 domain parent functions inequalities interval notation -
Angles: Types and Labeling
GeometryGeometry Building Blocks
How to label an angle and how to differentiate between acute, right, obtuse, and straight angles.
angle acute right obtuse straight vertex side -
Trapezoid Properties
GeometryPolygons
How to identify a trapezoid and its special properties.
parallel sides isosceles trapezoid base angles base -
Triangle Midsegment Properties
GeometryPolygons
How to define a triangle midsegment and describe its special properties.
midsegment triangle parallel bases midpoint third side -
Parallelogram Properties
GeometryPolygons
How to identify all of the special properties of parallelograms and use them to solve problems.
opposite sides parallel opposite angles same side interior angles diagonals bisect consecutive angles rhombus rectangle square -
Trapezoid Midsegment Properties
GeometryPolygons
How to define the midsegment of a trapezoid, calculate its length, and relate it to a triangle midsegment.
midsegment trapezoid average bases midpoint -
Tangent Segments to a Circle
GeometryCircles
How to find the length of tangent segments drawn to a circle from the same point.
tangent congruent segments inscribed circle -
Secants
GeometryCircles
How to define a secant; how to find the length of various secants in circles.
secant intercepted arcs proportion arc measure tangent chord -
Similarity and Area Ratios
GeometrySimilarity
How to convert between length and area ratios of similar polygons
polygons similar area ratios -
Special Isosceles Triangle Properties
GeometryTriangles
如何识别一段从植物香吗x angle in an isosceles triangle to the opposite side.
isosceles triangle angle bisector altitude median -
Using Sine to Calculate the Area of a Triangle
GeometryBasic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
area of a triangle sine -
Solving Equations- two variable terms
Pre-AlgebraSolving Equations and Inequalities
Simplify each side of an equation before solving with two variable terms
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Solving a Logarithmic Equation with Multiple Logs
Algebra 2Inverse, Exponential and Logarithmic Functions
How to solve a logarithmic equation by condensing one, or both, sides.
log equation logarithmic equation logarithmic form exponential form condense