Instructional Video2:05
Wonderscape

Understanding Perimeter and Area of Triangles

K - 5th
The area of a triangle is always calculated using the formula 1/2 × base × height, regardless of whether it is a right, scalene, isosceles, or equilateral triangle. Perimeter and area have practical applications, such as determining the...
Instructional Video7:04
Let's Tute

Similar Triangles - Geometry

9th - Higher Ed
In this online math video we will learn about similar triangles.This online math video help us to know about concept of similarity with respect to triangles.
Instructional Video4:36
Wonderscape

Calculating the Area of a Triangle

K - 5th
To determine the area of a triangle, you use the formula: Area = 1/2 × Base × Height. This formula works because a triangle is essentially half of a rectangle or square. By identifying the base (the bottom side) and the height (the...
Instructional Video3:09
Wonderscape

Classifying Triangles by Their Angles: Acute, Right, and Obtuse

K - 5th
Triangles can also be classified based on their angles. An acute triangle has all three angles less than 90 degrees, a right triangle has one angle exactly 90 degrees, and an obtuse triangle has one angle greater than 90 degrees. No...
Instructional Video2:47
Wonderscape

Understanding Triangles: Types, Properties, and History

K - 5th
Triangles have unique properties that define their shape, sides, and angles. They can be categorized based on their sides: scalene (all sides different), isosceles (two sides equal), and equilateral (all sides equal). Throughout history,...
Instructional Video4:34
Brian McLogan

What is the SSS and SAS Congruence Theorems - Congruent Triangles

12th - Higher Ed
👉 Learn about congruent triangles theorems. Two or more triangles (or polygons) are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods...
Instructional Video2:42
Brian McLogan

Using Congruent Triangles to Determine the Value of X

12th - Higher Ed
👉 Learn how to solve for unknown variables in congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. When one of the values of a pair of congruent sides or angles is unknown and the...
Instructional Video3:01
Curated Video

Angle Properties in Triangles

K - 12th
Identifying special types of triangles based on the angle properties such as right triangles, obtuse triangles, and acute triangles.
Instructional Video3:06
MinutePhysics

What Is The Shape of Space? (ft. PhD Comics)

12th - Higher Ed
A collaboration with Jorge Cham and Daniel Whiteson, check out "We Have No Idea" at

href='hPhDComics



.wehavenoidea.com' target='_blank' rel='nofollow'>at

Jorge's
Instructional Video1:41
Brian McLogan

Using the Hinge Theorem to Compare Sides of a Triangle - Congruent Triangles

12th - Higher Ed
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
Instructional Video9:32
Brian McLogan

What is the Perpedicular Bisector Theorem and it's Converse - Congruent Triangles

12th - Higher Ed
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
Instructional Video6:11
Curated Video

Mastering Translations in Geometry: A Step-by-Step Guide for Beginners

9th - Higher Ed
This video explains the concept of translation in mathematics using the analogy of an ice skater gliding across the ice. It demonstrates two methods for translating figures on a coordinate plane, emphasizing the importance of maintaining...
Instructional Video2:09
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Enlargement - 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...
Instructional Video8:44
Curated Video

The Greedy Triangle: A Geometric Transformation Story

9th - Higher Ed
Have you ever wondered what it would be like to be a different shape? Well, today's read-aloud story, The Greedy Triangle, written by Marilyn Burns is all about a little triangle who decides to go on an amazing adventure to find...
Instructional Video7:15
Curated Video

Review for You: The Wonderful World of Geometry

K - 8th
Mr. Addit reviews geometry fundamentals including: points, lines, line segments, rays, perpendicular and parallel lines, acute, obtuse, and right angles, and isosceles, scalene, and equilateral triangles. He also reviews polygons...
Instructional Video7:00
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Similar 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...
Instructional Video4:35
FuseSchool

Similar Shapes

6th - Higher Ed
Similar Shapes | Geometry | Maths | FuseSchool



In this video we are going to look at similar shapes. Similar shapes are the exact same shape, but may be different sizes. Like a photocopier can increase the size of a page...
Instructional Video2:58
Brian McLogan

What is the Third Angle Theorem of Triangles

12th - Higher Ed
👉 Learn about congruent triangles theorems. Two or more triangles are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods include: (1)...
Instructional Video3:18
Curated Video

2D Shapes | Geometry | Y1 Maths | FuseSchool Kids

Pre-K - K
Learn about common 2D shapes with Ava and the Shape Aliens.<b<br/>r/>

CURRICULUM OBJECTIVE:
Recognise and name common 2-D shapes, for example, rectangles (including squares), circles and triangles.
Instructional Video13:29
NUMBEROCK

Geometry: Lines & Angles Songs For Kids | 3rd Grade - 5th Grade

K - 5th
Thank you for watching our Geometry | Lines and Angles Compilation.
Instructional Video1:16
Brian McLogan

Geometry - What Does Congruency of AAS for Triangles Look Like

12th - Higher Ed
👉 Learn about congruent triangles theorems. Two or more triangles (or polygons) are said to be congruent if they have the same shape and size. There are many methods to determine whether two triangles are congruent. Some of the methods...
Instructional Video4:39
Brian McLogan

Proving Two Sides are Equal Using CPCTC - Congruent Triangles

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Instructional Video7:22
Brian McLogan

Proving Two Triangles are Congruent by a Two Column Proof - Congruent Triangles

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...
Instructional Video6:23
Brian McLogan

Geometry - How to Write a Proof of Congruent Triangles Using AAS

12th - Higher Ed
👉 Learn how to prove that two triangles are congruent. Two or more triangles are said to be congruent if they have the same shape and size. There are many postulates and theorems to determine whether two triangles are congruent. They...