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Columbus, OH

Free online courses, lessons, & practice

Columbus, OH

Free online courses, lessons, & practice

Learn for free about math, english, science, physics, chemistry, biology, history, and more. Tutors.com offers thousands of free courses and videos, with the mission of providing a free education to everyone.

Learn for free about math, english, science, physics, chemistry, biology, history, and more. Tutors.com offers thousands of free courses and videos, with the mission of providing a free education to everyone.

Geometry Tutors

Polygon
Triangle
Angle relationships
Right triangle
Equations of a circle
Parallel lines
Interior and exterior angles of triangles
Transformations in math
Radius, Diameter, & Circumference of a Circle
Regular polygons
Surface Area
Quadrilateral
Area and perimeter
Pentagon
Rectangle
What is geometry?
Arc definition in geometry
Parallel and Perpendicular Lines
Similar triangles
Polyhedron
Triangle congruence theorems
Congruence and similarity
Circumference of a Circle
Classifying triangles
Angle bisector theorem
Area of a Circle
Pythagorean theorem
Types of polygons
Rhombus
Trapezoid
Parallelogram
Congruent figures
Area of sectors and segments of a circle
The area of a sector
How to find the area of a triangle
What is a coordinate plane?
Graph points
Collinear points
Line Segment
Segment bisector
Perpendicular Bisector Theorem
Proof by contradiction
Indirect proof
Decagon
Heptagon
Transversal lines
Alternate Exterior Angles
Sum of interior & exterior angles
Angle pairs
Exterior angle theorem
Find the angle of a triangle
Interior angle formula
Included angle of a triangle
Pythagorean triples
Hypotenuse
Constructing angle bisectors
Radius of a circle
Circumference to diameter
Converse of Pythagorean theorem
Similar polygons
Find the area of regular polygons
Find the perimeter of a polygon
How to construct parallel lines
Parallel postulate
Area of a pentagon
Find the perimeter of a pentagon
Surface area of a cylinder
Surface area of a pyramid
Find the area of a rhombus
Surface area of a rectangular prism
Area of a trapezoid
Find the area of a parallelogram
How to find the area of a rectangle
Find the perimeter of a rectangle
45-45-90 Triangle
HA Theorem
Congruency of right triangles
HL Theorem
How to find the area of a right triangle
How to construct an equilateral triangle
What are horizontal lines?
How to find orthocenter of a triangle
How to find the centroid of a triangle
How to find the perimeter of a triangle
Altitude of a triangle
Height of a triangle
Median of a triangle
Midsegment of a triangle
Triangle inequality theorem
AAS Theorem
Isosceles triangle theorem
Geometric constructions
Undefined terms in geometry
Arc measure
How to find arc length
Kites in geometry
Hexagon
How to construct a perpendicular line
Complementary angles
Alternate interior angles
Supplementary angles
Adjacent angles
Vertical angles
Congruent angles
Corresponding Angles
Proving lines are parallel
Parallel sides and shapes
Dodecagon
What is a square?
Quadrangle
Irregular quadrilaterals
How to find the perimeter of a quadrilateral
30-60-90 triangle
Translation in geometry
Dilation in math
AA criterion
Similarity Transformations
The 5 platonic solids explained
What is a cuboid?
Triangular Pyramid
Similar figures
Transitive property of congruence
Midpoint theorem
Inscribed angle
How to graph a circle
Tangent to a circle
How to construct 30, 60, 90, and 120 degree angles
Heron's Formula
Perimeter
Diagonal formula
Midpoint formula
What is rotational symmetry?
Distance formula
Scale factor
Area
Semicircle
Calculate the circumference of earth
Cardioid
Geometric mean
Geometric probability
Ray in geometry
Straight line
Find perimeter from area
Skew Lines
Two-Column Proof
Point of concurrency
Angles of elevation & depression
Construct a perpendicular bisector
Slope of perpendicular lines

English Tutors

Poetic forms
Nouns
Verbs
Metaphor
Conjunctions
Simile vs. metaphor (and analogy)
Active vs. passive voice
Prepositions
Literary genres
Pronouns
Point of view
Affect vs. effect
Analogy
Unreliable narrator
Pun
Euphemism
Soliloquy
Ode
MLA citations
MLA works cited
Sonnet
Ballad
Blank verse
Free verse
Elegy
Epic poems
Haiku
Limerick
Villanelle
Onomatopoeia
Allusion
Hyphen
Em dash vs. en dash
Personification
Anthropomorphism
Paradox
Hyperbole
Oxymoron
Who vs whom
Adjectives
Adverbs
Adjectives and adverbs
Allegory
Alliteration
Anaphora
Subordinating conjunction
Coordinating conjunction
Correlative conjunctions
Narrative poetry
Lyrical poetry
Apostrophe
Apostrophe literary device
Aphorisms
Colon
Parentheses vs. brackets
Appositives
Prepositional phrase
Topic sentences
Thesis statement
Transitions
Argumentative essay
Informative essay
Informative speech
Articles
Cliche
Idiom
Colloquialism
Syntax
Imagery
Diction
Tone
Fables
Mythology
Gothic literature
Mood in literature
Homophones
Oxford comma
Comma
Contractions
Comma splice
Ellipsis
Debate
Demeanor
Interjection
Empathy vs sympathy
There, their, and they're
Period
Quotation marks
Question mark
Exclamation point
Round vs. flat characters
Dynamic vs static character
Flashback
Juxtaposition
How to write a resume
Cover letter
Letter writing
Common nouns
Compound nouns
Singular and plural nouns
Pronoun cases
False analogy
Analogical argument
Clauses
Persuasive speech
Modifiers
Primary vs secondary sources
Symbolism
Satire
Present perfect tense
Logical fallacies
Synecdoche
Metonymy
Suffix
Prefix
APA citations
Titles of works underline or italicize
Foreshadowing
Verb tenses
Phrasal verbs
Auxiliary verbs
Irregular verbs
Transitive and intransitive verbs
Stative verbs
Antonyms
Synonyms
To vs. too
Personal pronouns
Possessive pronouns
Semicolon
Affective vs. effective
Where vs. were
Plot diagram
Independent clause
Compound sentence
Complex sentence
Rhyme scheme
Passive voice
Active voice
Relative pronouns
Countable and uncountable nouns
Abstract nouns
Concrete nouns
Proper nouns
Intensive pronoun
Dead metaphor
Extended metaphor
Visual metaphor
Implied metaphor
Similes
Mixed metaphor
Collective nouns
Linking verbs

Chemistry Tutors

Math Tutors

Biology Tutors

Science Tutors

Algebra Tutors