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Instructional Video3:45
Brian McLogan

How to use the midsegment theorem to find the length of a base of a trapezoid

12th - Higher Ed
👉 Learn how to solve problems with trapezoids. A trapezoid is a four-sided shape (quadrilateral) such that one pair of opposite sides are parallel. Some of the properties of trapezoids are: one pair of opposite sides are parallel, etc. A...
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Instructional Video9:26
Tarver Academy

6-6 Properties of Kites and Trapezoids - GEOMETRY

12th - Higher Ed
In This Episode, Tyler Teaches Us About Properties of Kites and Trapezoids - Geometry
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Instructional Video4:13
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Angles of regular shapes - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
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Instructional Video5:00
Curated Video

Solving Circle Angle Problems

9th - 12th
This video shows the process for solving the problem presented in IGCSE A June 2018 paper 2H Q20, which involves circle angles. Students will understand the properties of angles in circles and how to calculate their sizes. They will...
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Instructional Video7:04
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Circle Theorems - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
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Instructional Video14:05
Curated Video

Introduction to Lines and Angles

Pre-K - Higher Ed
It explains linear pair axiom and theorem on intersecting lines. It also provides problems based on the axiom and theorem.
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Instructional Video2:25
Curated Video

Circle Theorems: Recognizing and Applying Key Rules

12th - Higher Ed
This is an educational video that explains various circle theorems, which are important geometrical concepts related to angles and chords in a circle. The presenter goes through each theorem and provides examples and visual aids to help...
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Instructional Video6:31
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Circle Theorems - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
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Instructional Video5:06
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Parallel Lines Problem - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
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Instructional Video5:05
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Parallel Lines with angles - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
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Instructional Video5:31
Curated Video

Introduction to Polygons: Classification and Naming of Shapes

12th - Higher Ed
The video is a beginner's guide to polygons. It defines what a polygon is and how it is classified into regular and irregular polygons, convex and concave polygons, based on their side lengths and angles. It also covers the names of...
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Instructional Video3:26
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Geometry - Explained

9th - 12th
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
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Instructional Video6:22
Tarver Academy

4-8 Isosceles and Equilateral Triangles // GEOMETRY

12th - Higher Ed
http://bit.ly/tarversub Subscribe to join the best students on the planet!! ----Have Instagram? DM me your math problems! http://bit.ly/tarvergram Hangout with Tyler and watch EXCLUSIVE videos!! http://patreon.com/tylertarver Get Math...
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Instructional Video18:12
3Blue1Brown

How to lie using visual proofs

12th - Higher Ed
Time stamps: 0:00 - Fake sphere proof 1:39 - Fake pi = 4 proof 5:16 - Fake proof that all triangles are isosceles 9:54 - Sphere "proof" explanation 15:09 - pi = 4 "proof" explanation 16:57 - Triangle "proof" explanation and conclusion
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Instructional Video2:41
Curated Video

What Are Polygons | Geometry & Measures | Maths | FuseSchool

12th - Higher Ed
CREDITS Animation & Design: Peter van de Heuvel Narration: Lucy Billings Script: Lucy Billings The word polygon comes from Greek. Poly means “many” and Gon means “angles”. Polygon = many angles. Polygons are 2-dimensional shapes, that...
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Instructional Video3:02
CK-12 Foundation

Isosceles Triangles: Lesson

8th - 11th Standards
Two sides give us two angles. A segment of a playlist on basic geometry revisits isosceles triangles. The presentation explains several properties and theorems related to isosceles triangles.
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Instructional Video4:28
Curated OER

How Do You Find Missing Angles in an Isosceles Triangle?

6th - 8th
Finding the missing values of two angles in an isosceles triangle is not as difficult as it sounds. But how can two out of three angle's measurements be found? Well, there are special properties about an isosceles triangle which make...
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Instructional Video3:40
Curated OER

How Do You Find Missing Angles in an Isosceles Triangle Using Right Triangles?

6th - 8th
Given an isosceles triangle, and the value of one angle, find the missing values. There are some special properties about isosceles triangles. Use the triangle sum theorem to solve this problem. Watch this video to see how the instructor...
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Instructional Video6:29
Corbett Maths

Pythagoras Rectangles and Isosceles Triangles

7th - 12th Standards
When does the Pythagorean Theorem come in handy? An intriguing video uses the Pythagorean Theorem to solve problems other than simply finding the length of a side of a right triangle. Pupils find the diagonal of a rectangle and the...
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Instructional Video7:11
Krista King Math

The Isosceles Triangle Theorem is Actually Really Simple!

9th - 12th Standards
The isosceles triangle comes with its own set of properties. A lecturer shows how to apply the Isosceles Triangle Theorem to find missing side lengths or angle measures. The final example involves both square roots and quadratic equations. 
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Instructional Video
Khan Academy

SAT Prep: Test 1 Section 9 Part 3

9th - 12th
If it takes a long time to complete the problems on the math SAT, it doesn't matter if they are correct - the problems that are left over will count against the student's score. Sal takes care to show quicker ways to complete problems...
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Instructional Video5:58
Curated OER

What is a Triangle?

1st - 5th
Triangles, triangles, triangles. What makes a polygon a triangle? How many types of triangles are there? How do you determine what kind of triangle it is? Watch this video as the teacher explains 'tri' meaning three, making a triangle -...
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Instructional Video3:02
CK-12 Foundation

Equilateral Triangles: Lesson

8th - 11th Standards
Take a second look at triangles that are equal all the way around. The video reminds viewers what an equilateral triangle is and points out that the three angles are the same. Using the fact that equilateral triangles are also isosceles,...
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Instructional Video7:40
1
1
Math Antics

Triangles

4th - 8th Standards
What has three sides and is adorable? A-cute triangle. The resource introduces triangles and how to classify them by sides and angles or both. The video concludes with using the sum of the angles of a triangle to show how to solve for a...

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