Brian McLogan
What is the exterior sum theorem for polygons
👉 Learn about the interior and the exterior angles of a polygon. A polygon is a plane shape bounded by a finite chain of straight lines. The interior angle of a polygon is the angle between two sides of the polygon. The sum of the...
Curated Video
Rotating Quadrilaterals: Changes and Similarities
In this video lesson, students will learn about rotating a quadrilateral and the changes that occur. The teacher explains concepts such as congruent line segments, congruent angles, and parallel lines. Students will also explore how the...
Curated Video
Classifying Polygons Based on Parallel Lines
Classifying polygons based on the presence or absence of parallel lines.
Curated Video
Classifying Polygons Based on Perpendicular Lines
Classifying polygons based on the presence or absence of perpendicular lines.
Curated Video
Geometric Figures on the Coordinate Plane
Graph points on a coordinate plane to make a geometric figure.
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Measuring Perimeters of Quadrilaterals
The video is a math lesson on how to measure the perimeter of different types of quadrilaterals, including parallelograms, rectangles, squares, rhombuses, trapeziums, and kites. The teacher explains how to use formulas and shortcuts to...
Curated Video
Identifying Shapes by Classification
In this video, the teacher explains how to identify the attributes of shapes by using their classifications. The focus is on shapes that have exactly two pairs of congruent sides. The teacher provides examples of shapes like...
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Area - Parallelogram, Trapezium Kite
In this session we will learn the simplest way to find the area of Quadrilaterals. We have also Explained : 1) Area of Parallelogram 2) Area of Trapezium 3) Area of Kite 4) Area of Rectangle 5) Area of Square 6)Area of Rhombus
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Angle Properties in Triangles
Identifying special types of triangles based on the angle properties such as right triangles, obtuse triangles, and acute triangles.
Curated Video
Classifying Two-Dimensional Figures by Examining Their Properties
In this video, we discuss the use of line segments and number of sides to classify figures, and emphasize the importance of angles in determining their specific names. Through examples and explanations, students learn how to classify...
Curated Video
Identifying Rectangles: Recognizing Attributes
The attributes of a rectangle include having four right angles, two pairs of parallel lines, and opposite sides that are congruent. This video provides examples and explains why certain shapes do or do not belong in the Rectangle Room at...
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Polygons and Special Types of Polygons
Identifying the properties of polygons and special types of polygons like quadrilaterals and triangles.
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Mastering Quadrilaterals: Solving Missing Angles Game
This video shows how a student named Jack solved a math game called "Missing Angles" at a unique math fair. The game involves finding the right values for angles in different shapes of quadrilaterals, and Jack used basic knowledge of the...
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Trapezium and Kites - Properties
A plane figure with four sides and four angles is called a Quadrilateral. Let's learn its different types: Parallelogram, Trapezium & Kite in this session
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Interior Angles
In this video we are going to look at the angles in polygons… the sum of all interior angles and the size of one interior angle. In another video we will look at exterior angles. Before we start, you should already know the names of...
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Quadrilaterals and other polygons
It defines a quadrilateral and its types. It explains the properties of each type of quadrilateral and other polygons such as pentagon, hexagon and so on.
Curated Video
GCSE Secondary Maths Age 13-17 - Shapes & Area: Quadrilateral - Explained
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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What Are Polygons
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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Cyclic Quadrilateral: Theorems
It explains the concept of cyclic quadrilaterals. It explains the theorem related to cyclic quadrilaterals.
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Introduction to Quadrilaterals and Properties of Parallelograms
In this video, the teacher explains the concept of polygons and focuses on quadrilaterals, specifically parallelograms and their properties. The video covers the different types of quadrilaterals and their characteristics, including the...
Curated Video
Identify Rhombuses, Rectangles, and Squares
This video teaches how to identify and differentiate between the attributes of quadrilaterals such as trapezoids, rectangles, rhombuses, and squares. It shows how to identify parallel sides and square corners in each shape, and how to...
Professor Dave Explains
Types of Quadrilaterals and Other Polygons
Overview of the types of quadrilaterals.
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MATHS - Geometry - Circle Theorems Part 1
Ready to start doing some geometrical problem solving? In these 3 videos we are going to discover 9 different circle theorems. In this video (part 1 ) we’re going to look at 4 theorems inside the circle. And then in part 2 and 3 there...