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Instructional Video4:05
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Isosceles Triangles - 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 Video2:35
Brian McLogan

Using the Isosceles triangle theorem to find the measure of x

12th - Higher Ed
👉 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...
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Instructional Video1:41
Brian McLogan

How to determine all of the measure of angles for an equilateral triangle

12th - Higher Ed
👉 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...
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Instructional Video7:35
Let's Tute

Using Geometry in Real Life: The Construction of a Bridge

9th - Higher Ed
This video discusses how equilateral and isosceles triangles are used in bridge construction to distribute weight and forces evenly. The engineer explains how to prove that the angles of an isosceles triangle are equal when the sides are...
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Instructional Video5:23
Brian McLogan

Using a Two Column Proof to Prove Two Sides of a Triangle are Equal

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...
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Instructional Video6:38
Let's Tute

Inequalities of a Triangle

9th - Higher Ed
In this video we will learn about Inequalities of a Triangle. We will cover Introduction, 3 theorems and solve some questions.
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Instructional Video6:57
Brian McLogan

What is the Triangle Inequality Theorem - 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)...
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Instructional Video5:26
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Proof - Congruent Triangles - 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 Video7:03
Curated Video

Find Measures of Inscribed Angles Using Central Angles

K - 5th
In this video, the teacher explains the relationship between the measure of an inscribed angle and its intercepted arc. They use the central angle theorem to prove and apply this relationship. By understanding this theorem, students can...
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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...