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Linear Perspective: Brunelleschi's Experiment

An introduction to Filippo Brunelleschi's experiment regarding linear perspective, c. 1420, in front of the Baptistry in Florence http://smarthistory.khanacademy.org/Brunelleschi.html

Khan Academy
Florence
860
04:15

Identifying parallel and perpendicular lines

Identifying Parallel and Perpendicular Lines

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Angles between intersecting lines
592
03:34

Trolls, tolls, and systems of equations

A troll forces us to use algebra to figure out the make-up of his currency. We end up setting up a system of equations

Khan Academy
System for solving the King's problems
536
06:50

Interpreting a graph exercise example

Khan Academy
Linear and nonlinear functions
588
02:22

Linear and nonlinear functions (example 3)

Khan Academy
Linear and nonlinear functions
565
02:12

Linear and nonlinear functions (example 2)

Khan Academy
Linear and nonlinear functions
550
03:34

Linear and nonlinear functions (example 1)

Khan Academy
Linear and nonlinear functions
558
02:25

Solving linear systems by graphing

Solving Linear Systems by Graphing

Khan Academy
Solving linear systems graphically
608
08:29

Figuring out angles between transversal and parallel lines

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Angles between intersecting lines
561
02:15

Using algebra to find measures of angles formed from transversal

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Angles between intersecting lines
582
04:40

Vertical slice of rectangular pyramid

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Constructing and slicing geometric shapes
588
03:29

Constructing triangles with constraints

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Constructing and slicing geometric shapes
579
03:58

Constructing a right isosceles triangle

Khan Academy
Constructing and slicing geometric shapes
587
01:25

Splitting pie with family

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Angles
540
04:33

Solving for angles

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Angles
583
02:59

Using algebra to find the measures of vertical angles

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Angles
564
02:33

Example using algebra to find measure of supplementary angles

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Angles
594
02:36

Example using algebra to find measure of complementary angles

Khan Academy
Angles
568
02:32

Introduction to vertical angles

Figuring out angles at the intersection of two lines

Khan Academy
Angles
526
07:18

Recognizing linear functions

Recognizing Linear Functions

Khan Academy
Linear and nonlinear functions
574
04:00