base 53 videos

Isosceles Triangles
Geometry Triangles
How to define isosceles triangles, their components and how to determine their properties.
vertex angle leg base base angle converse remote interior angles 
Buffered Solutions
Chemistry Acids and Bases
How acids and bases are used in buffered solutions.
buffer buffered solutions 
Trapezoid Midsegment Properties
Geometry Polygons
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
Geometry Area
How to find the area of any parallelogram using rectangle area formulas.
area of rectangles base times height 
Salts
Chemistry Acids and Bases
How neutralization reactions produce salts.
salt acids bases neutralization reaction 
pH and pOH
Chemistry Acids and Bases
How pH and pOH represent the concentration.
pH pOH acid base concentration 
Equilibrium Systems
Chemistry Acids and Bases
Understanding equilibrium systems.
acid base conjugate equilibrium system 
Genetic Mutation
Biology Molecular Biology
Random errors in genes and their effects.
genetic mutation chromosomal base substitution 
Triangle Midsegment Properties
Geometry Polygons
How to define a triangle midsegment and describe its special properties.
midsegment triangle parallel bases midpoint third side 
Space Diagonals
Geometry Pythagorean Theorem
How to define and calculate a space diagonal.
space diagonal vertex base lateral face 
Volume of Cones
Geometry Volume
How to compare the volume of a cone and a cylinder and how to calculate the volume of a cone given the radius and height.
volume base area height circle area 
Volume of Pyramids
Geometry Volume
How to find the volume of any pyramid.
volume base area height pyramid regular polygon 
Space Diagonals
Trigonometry Pythagorean Theorem
How to define and calculate a space diagonal.
space diagonal vertex base lateral face 
Exponential Functions and their Graphs
Precalculus Exponential and Logarithmic Functions
How to define an exponential function.
exponential function power function base exponent 
Exponential Functions and their Graphs
Algebra 2 Inverse, Exponential and Logarithmic Functions
How to define an exponential function.
exponential function power function base exponent 
Solving Formulas
Geometry Area
How to strategize about solving formulas for variables; how to solve the area of a rectangle formula for base and height; how to solve the area of a triangle formula for base and for height.
formulas isolating a variable rectangle area triangle area trapezoid area regular polygon area 
Types of Triangles
Geometry Geometry Building Blocks
How to classify a triangle based on its side lengths and angle measures.
equiangular equilateral isosceles right acute obtuse triangles 
Surface Area of Pyramids
Geometry Area
How to calculate the surface area of any pyramid, emphasizing regular polygons as bases.
regular polygon lateral area apothem