Pink triangle

SolveMyMaths Action 7!

All polygons shown here are regular. What is the measure of the pink angle? How can we formally prove this true? (Source: Ed Southall). GeoGebra Link: https://www.geogebra.org/m/zUsktVCJ.

From playlist Geometry: Challenge Problems

Label the parts of a triangle ex 1

👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides are: scalene, isosceles, and equilateral triangles. A

From playlist Triangles

Shearer Action 3!

In this right triangle, what is the measure of the pink angle? Why does this angle measure NEVER CHANGE? GeoGebra Resource Link: https://www.geogebra.org/m/szf8b3xd.

From playlist Geometry: Challenge Problems

What is a right triangle

👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their angles are: acute, right and obtuse triangles. The cl

From playlist Types of Triangles and Their Properties

How do you find all of the sides for a equilateral triangle

👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides are: scalene, isosceles, and equilateral triangles. A

From playlist Triangles

Using the Isosceles triangle theorem to find the measure of x

👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides are: scalene, isosceles, and equilateral triangles. A

From playlist Triangles

What is an equilateral triangle

👉 Learn the essential definitions of triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of their angles or on the basis of their side lengths. The classification of triangles on the bases of their angles are: acute, right and obtuse triangles. The cl

From playlist Types of Triangles and Their Properties

What are the trigonometric definitions of a right triangle

👉 Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right triangle and the side lengths of the right triangle. These

From playlist Right Triangle Trigonometry | Learn About

Just the Tips: An Intriguing Distance Problem

Today, we are truly going the distance. Patreon: https://www.patreon.com/whatthehectogon Amazon Affiliate Link: https://amzn.to/2GklBC4 Instagram: https://www.instagram.com/whatthehectogon/ Doggo: https://www.instagram.com/fluffy.gus/ Email: whatthehectagon@gmail.com

From playlist Trigonometry

how to find the measure of x using an isosceles triangle

👉 Learn how to find the missing side of a triangle. A triangle is a polygon with three sides. Triangles are classified on the basis of the angles or on the basis of the sides. The classification of a triangle on the basis of the sides are: scalene, isosceles, and equilateral triangles. A

From playlist Triangles

Pythagoras in 2D and 3D | Revision for Further Maths GCSE, iGCSE, Level 2 and FSMQ

I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future. The online course for further maths, FREE revision

From playlist OCR Level 3 FSMQ Additional Maths - Revision Playlist

GF Pythagoras

I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study science or maths further, the grades you get now will open doors in the future. Get exam ready for GCSE Maths https://primrosekitt

From playlist Summer Start for A-Level Maths

Hexaflexagons

Hooraaaay flexagons! Happy October. Here's part 2: http://youtu.be/paQ10POrZh8 Hexaflexagon Safety Guide: http://youtu.be/AmN0YyaTD60 Support me on Patreon: https://www.patreon.com/vihart Historical Note: This video is based on a true story. Arthur H. Stone really did invent the hexaflex

From playlist Doodling in Math and more | Math for fun and glory | Khan Academy

Does this red region have a name?? Let's find its area!

Suggest a problem: https://forms.gle/ea7Pw7HcKePGB4my5 Please Subscribe: https://www.youtube.com/michaelpennmath?sub_confirmation=1 Patreon: https://www.patreon.com/michaelpennmath Merch: https://teespring.com/stores/michael-penn-math Personal Website: http://www.michael-penn.net Randolp

From playlist Geometry

Large deviations for random hives and the spectrum of the sum of two random...- Hariharan Narayanan

Probability Seminar 11:15am|Simonyi 101 and Remote Access Large deviations for random hives and the spectrum of the sum of two random matrices Hariharan Narayanan Affiliation: Cambridge University Date: April 07, 2023  Hives, as defined by Knutson and Tao, are discrete concave functions

From playlist Mathematics

Proof: Triangle altitudes are concurrent (orthocenter) | Geometry | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/geometry-home/triangle-properties/altitudes/v/proof-triangle-altitudes-are-concurrent-orthocenter Showing that any triangle can be the medial triangle for some la

From playlist Special properties and parts of triangles | Geometry | Khan Academy

Proof: Opposite sides of parallelogram congruent | Quadrilaterals | Geometry | Khan Academy

Proving that a figure is a parallelogram if and only if opposite sides are congruent Watch the next lesson: https://www.khanacademy.org/math/geometry/quadrilaterals-and-polygons/quadrilaterals/v/proof-diagonals-of-a-parallelogram-bisect-each-other?utm_source=YT&utm_medium=Desc&utm_campaig

From playlist Mathematics I | High School Math | Khan Academy

finding the radius of a circle inscribed in a right triangle

In this video I show how to find the radius of a circle inscribed in a right triangle. This complex geometry problem involves ideas such as Pythagorean Theorem, similar triangles, circle geometry, radius of a circle, tangents drawn to a circle, tangents drawn to a common point. Write any

From playlist Geometry

Ethnomathematics Lecture 5: Color Symmetries

Beloit College, Math 103: Color symmetry patterns.

From playlist Beloit College: Ethnomathematics | CosmoLearning.org Mathematics

What are the parts of a right triangle

👉 Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right triangle and the side lengths of the right triangle. These

From playlist Right Triangle Trigonometry | Learn About