# base angle   145 videos

• #### Corresponding Parts of Similar Triangles

##### GeometrySimilarity

How to relate corresponding altitudes, medians and angle bisectors in similar triangles.

similar triangles altitude median angle bisector proportional
• #### 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
• #### 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

##### GeometryCircles

How to define a tangent line; how to determine the angle a radius to a tangent forms.

tangent radius right angle point outside the circle perpendicular

• #### Introduction to Exponents

##### AlgebraExponents

How to interpret exponential expressions.

base exponent power
• #### Multiplication and Division Properties of Exponents

##### AlgebraExponents

How to simplify products and quotients involving exponents.

base power exponent property
• #### Zero and Negative Exponents

##### AlgebraExponents

How to simplify products involving zero and negative exponents.

base power exponent property
• #### Simplifying Expressions with Exponents

##### AlgebraExponents

How to simplify expressions with exponents.

exponent quotient product base
• #### Area of Trapezoids

##### GeometryArea

How to derive the area of a trapezoid formula using the area of a rectangle.

trapezoid parallelogram base height
• #### Introduction to Exponents

##### Algebra 2Exponents

How to interpret exponential expressions.

base exponent power
• #### Buffered Solutions

##### ChemistryAcids and Bases

How acids and bases are used in buffered solutions.

buffer buffered solutions
• #### 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
• #### Area of Parallelograms

##### GeometryArea

How to find the area of any parallelogram using rectangle area formulas.

area of rectangles base times height
• #### Genetic Mutation

##### BiologyMolecular Biology

Random errors in genes and their effects.

genetic mutation chromosomal base substitution
• #### Salts

##### ChemistryAcids and Bases

How neutralization reactions produce salts.

salt acids bases neutralization reaction
• #### pH and pOH

##### ChemistryAcids and Bases

How pH and pOH represent the concentration.

pH pOH acid base concentration
• #### Equilibrium Systems

##### ChemistryAcids and Bases

Understanding equilibrium systems.

acid base conjugate equilibrium system
• #### Evaluating the Tangent Function

##### TrigonometryTrigonometric Functions

How to evaluate the tangent of 3*pi/4.