KnowMo
Understanding Similarity and Congruence in Geometry
This video explains the concepts of congruence and similarity of shapes in mathematics. The speaker then explains how to calculate the scale factor, which determines the ratio between the lengths of the corresponding sides of two similar...
FuseSchool
MATHS - Ratio - Scale Factors
When you change the size of a shape by making it larger or smaller, the degree to which you change its size is measured by something called its scale factor. A linear scale factor is simply the size of the enlargement or reduction of a...
KnowMo
Classifying and Identifying Triangles by Angles and Side Lengths
This video is an educational tutorial on triangles. The instructor begins by explaining how to classify triangles based on their angles, including acute, obtuse, and right angle triangles. Next, the video covers the three special types...
Let's Tute
Understanding Triangles: Types and Properties
This video explains the basic concepts of triangles, including the relationship between angles and sides, the properties of equilateral, isosceles, and scalene triangles, and the special case of right-angled triangles.
Brian McLogan
What is the similarity of triangles for SSS
👉 Learn how to solve with similar triangles. Two triangles are said to be similar if the corresponding angles are congruent (equal). Note that two triangles are similar does not imply that the length of the sides are equal but the sides...
Curated Video
Finding the Volume of an Irregular 3D Solid: Additive Property of Volume
In this video, the teacher explains how to find the volume of an irregular 3D solid by recognizing that volume is additive. They demonstrate this concept by breaking down the solid into two rectangular prisms and finding the volume of each.
msvgo
Refraction at a spherical surface
It expresses the lens maker formula and lens formula,explains refraction by lens,power of lens,combination of thin lenses in contact.
Brian McLogan
What is the SSS and SAS Congruence Theorems - Congruent Triangles
👉 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...
msvgo
Tangents to a Circle: Theorems
It states and proves various theorems related to the tangents of a circle such as the lengths of tangents drawn from an external point to a circle are equal.
KnowMo
Compound Transformations: Understanding Reflections, Rotations, Translations, and Enlargements
The video is a lecture presentation on compound transformations, which are the process of carrying out more than one type of transformation to a shape. The presenter explains the four types of transformations: reflection, rotation,...
msvgo
Problems Based on Trigonometric Ratios
It explains the property of trigonometric ratios. It also includes problems based on trigonometric ratios.
KnowMo
Congruence Criteria for Triangles
The video is a lecture presentation on the four different congruency criteria for triangles. The presenter explains that congruent shapes are exact replicas of the originals with the angles and side lengths preserved. However, in some...
KnowMo
Identifying and Understanding Quadrilaterals: Properties and Names
This video is a lecture presentation on quadrilaterals. The speaker explains what a quadrilateral is and goes through several different types, including a square, rectangle, trapezium, isosceles trapezium, rhombus, parallelogram, and...
KnowMo
Understanding Quadrilaterals: Names and Characteristics
The video provides an overview of quadrilaterals, including the names of various types of quadrilaterals such as squares, rectangles, kites, rhombuses, parallelograms, isosceles trapeziums, and scaling trapeziums. The video emphasizes...
KnowMo
Understanding Metric Conversions for Mass, Length, Area, and Volume
The video explains the standard metric conversions for mass, length, area and volume. The narrator discusses the different units used for each measurement and how to convert between them using multiplication and division. They also...
Curated Video
Solve Word Problems by Doing Dilations
In this video, the teacher explains how to use a photographic enlarger to create a print from a negative while maintaining proper proportions. The lesson also covers solving word problems involving dilations using different scale factors.
Brian McLogan
Learn to find the area of a trapezoid
👉 Learn how to find the area and perimeter of trapezoids. A trapezoid is a quadrilateral with one pair of parallel sides. The area of a shape is the measure of the portion enclosed by the shape while the perimeter of a shape is the...
msvgo
Measuring Length Using Non-Standard Units
This nugget shows how to measure objects using non standard units such as hand span, matchsticks and nails.
Curated Video
MATHS - Numbers - Conversions
Converting between measures such as millimetres, centimetres, metres and kilometres is commonplace in our lives. The process is made nice and simple because of the metric system.
Professor Dave Explains
Types of Triangles in Euclidean Geometry
If a shape is made of straight line segments, the minimum number of sides it can have is three. And three sides make a triangle! I'm sure you knew that. But do you know all the types of triangles? Oh you do? Then what's a scalene...
Curated Video
Creating New Scale Drawings Using Ratios and Proportions
In this video, the teacher explains how to change the size of a blueprint by using ratios and proportions. They demonstrate how to solve proportions and use scale drawings to determine actual measurements.