MORE VIDEOS
Explore more
Math
Science
History
Social studies
Language Arts
World language
Art
Other

Up next

Autoplay
Quick Start Guide to Geogebra
00:02:58
Quick Start Guide to Geogebra
1 Views . 02/01/25 Teacherflix
What is Artificial Intelligence? | Quick Learner
00:01:40
What is Artificial Intelligence? | Quick Learner
4 Views . 10/12/24 Teacherflix
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
00:24:27
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
8 Views . 08/17/24 Teacherflix
Quick Guide Annotations
00:04:19
Quick Guide Annotations
15 Views . 08/17/24 Teacherflix
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
00:24:27
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
8 Views . 08/17/24 Teacherflix
Marie's Words - Visual Vocabulary for All Ages
00:04:02
Marie's Words - Visual Vocabulary for All Ages
2 Views . 08/17/24 Teacherflix
Differentiated Visual Tools - Vocabulary K-12
00:05:39
Differentiated Visual Tools - Vocabulary K-12
3 Views . 08/17/24 Teacherflix
Content Area Words
00:02:27
Content Area Words
4 Views . 08/17/24 Teacherflix
Triangle inequality theorem | Perimeter, area, and volume | Geometry | Khan Academy
00:05:52
Triangle inequality theorem | Perimeter, area, and volume | Geometry | Khan Academy
10 Views . 04/01/24 Teacherflix
Proof of angle addition formula for sine | Trigonometry | Khan Academy
00:08:26
Proof of angle addition formula for sine | Trigonometry | Khan Academy
9 Views . 04/01/24 Teacherflix
Language and notation of the circle | Introduction to Euclidean geometry | Geometry | Khan Academy
00:11:13
Language and notation of the circle | Introduction to Euclidean geometry | Geometry | Khan Academy
15 Views . 04/01/24 Teacherflix
Area of a circle
00:06:45
Area of a circle
6 Views . 04/01/24 Teacherflix
Calculus proof of centripetal acceleration formula | Physics | Khan Academy
00:14:22
Calculus proof of centripetal acceleration formula | Physics | Khan Academy
5 Views . 04/01/24 Teacherflix
Proof of formula for determining eigenvalues | Linear Algebra | Khan Academy
00:09:19
Proof of formula for determining eigenvalues | Linear Algebra | Khan Academy
8 Views . 04/01/24 Teacherflix
Proof that square root of prime number is irrational | Algebra I | Khan Academy
00:07:28
Proof that square root of prime number is irrational | Algebra I | Khan Academy
7 Views . 04/01/24 Teacherflix
Area between a curve and the x-axis: negative area | AP Calculus AB | Khan Academy
00:07:28
Area between a curve and the x-axis: negative area | AP Calculus AB | Khan Academy
4 Views . 04/01/24 Teacherflix
Solving triangle in unit circle | Trigonometry | Khan Academy
00:07:53
Solving triangle in unit circle | Trigonometry | Khan Academy
12 Views . 04/01/24 Teacherflix
Proof: lim (sin x)/x | Limits | Differential Calculus | Khan Academy
00:18:05
Proof: lim (sin x)/x | Limits | Differential Calculus | Khan Academy
4 Views . 04/01/24 Teacherflix
Parent Quick-Start Tips: For Kids Ages 13+
00:03:21
Parent Quick-Start Tips: For Kids Ages 13+
5 Views . 04/01/24 Teacherflix

Area of a Circle - Quick Visual Proof

2 Views • 02/23/24
Share
Embed
Teacherflix
Teacherflix
5 Subscribers
5

This easy visual proof shows that the area of a circle is πr2.


To donate to the tecmath channel:https://paypal.me/tecmath

To support tecmath on Patreon: https://www.patreon.com/tecmath

To buy tecmath mechandise: https://teespring.com/stores/tecmath-store

Show more
0 Comments sort Sort By

Up next

Autoplay

Quick Start Guide to Geogebra
00:02:58
Quick Start Guide to Geogebra
1 Views . 02/01/25 Teacherflix
What is Artificial Intelligence? | Quick Learner
00:01:40
What is Artificial Intelligence? | Quick Learner
4 Views . 10/12/24 Teacherflix
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
00:24:27
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
8 Views . 08/17/24 Teacherflix
Quick Guide Annotations
00:04:19
Quick Guide Annotations
15 Views . 08/17/24 Teacherflix
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
00:24:27
Beth Lawrence, Visual Critical Thinking as a Way to Learn Nuanced Vocabulary,Safe at Home Conference
8 Views . 08/17/24 Teacherflix
Marie's Words - Visual Vocabulary for All Ages
00:04:02
Marie's Words - Visual Vocabulary for All Ages
2 Views . 08/17/24 Teacherflix
Differentiated Visual Tools - Vocabulary K-12
00:05:39
Differentiated Visual Tools - Vocabulary K-12
3 Views . 08/17/24 Teacherflix
Content Area Words
00:02:27
Content Area Words
4 Views . 08/17/24 Teacherflix
Triangle inequality theorem | Perimeter, area, and volume | Geometry | Khan Academy
00:05:52
Triangle inequality theorem | Perimeter, area, and volume | Geometry | Khan Academy
10 Views . 04/01/24 Teacherflix
Proof of angle addition formula for sine | Trigonometry | Khan Academy
00:08:26
Proof of angle addition formula for sine | Trigonometry | Khan Academy
9 Views . 04/01/24 Teacherflix
Language and notation of the circle | Introduction to Euclidean geometry | Geometry | Khan Academy
00:11:13
Language and notation of the circle | Introduction to Euclidean geometry | Geometry | Khan Academy
15 Views . 04/01/24 Teacherflix
Area of a circle
00:06:45
Area of a circle
6 Views . 04/01/24 Teacherflix
Calculus proof of centripetal acceleration formula | Physics | Khan Academy
00:14:22
Calculus proof of centripetal acceleration formula | Physics | Khan Academy
5 Views . 04/01/24 Teacherflix
Proof of formula for determining eigenvalues | Linear Algebra | Khan Academy
00:09:19
Proof of formula for determining eigenvalues | Linear Algebra | Khan Academy
8 Views . 04/01/24 Teacherflix
Proof that square root of prime number is irrational | Algebra I | Khan Academy
00:07:28
Proof that square root of prime number is irrational | Algebra I | Khan Academy
7 Views . 04/01/24 Teacherflix
Area between a curve and the x-axis: negative area | AP Calculus AB | Khan Academy
00:07:28
Area between a curve and the x-axis: negative area | AP Calculus AB | Khan Academy
4 Views . 04/01/24 Teacherflix
Solving triangle in unit circle | Trigonometry | Khan Academy
00:07:53
Solving triangle in unit circle | Trigonometry | Khan Academy
12 Views . 04/01/24 Teacherflix
Proof: lim (sin x)/x | Limits | Differential Calculus | Khan Academy
00:18:05
Proof: lim (sin x)/x | Limits | Differential Calculus | Khan Academy
4 Views . 04/01/24 Teacherflix
Parent Quick-Start Tips: For Kids Ages 13+
00:03:21
Parent Quick-Start Tips: For Kids Ages 13+
5 Views . 04/01/24 Teacherflix