Curated Video
Understanding Translations: Coordinating on a Coordinate Plane
In this video, students learn how to determine the coordinates of translated figures without actually drawing them. The teacher explains the concept of translations and emphasizes the importance of correctly manipulating the X and Y...
Curated Video
Recognizing Congruent Figures through Multiple Transformations
This video explains how to prove that two figures are congruent even after undergoing multiple transformations such as translations, rotations, and reflections. By demonstrating the correct sequence of transformations and examining...
Brian McLogan
Using AAS to Prove Two Triangles are Congruent - Congruent Triangles
👉 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...
Curated Video
Understanding Isosceles Triangle Properties
This video explains the properties of an isosceles triangle and helps viewers answer a standardized math test question about it. The teacher breaks down each answer choice and shows how to arrive at the correct answer.
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...
Brian McLogan
Learn how to classify a triangle by it's sides ex 8
👉 Learn how to classify triangles. A triangle is a polygon with three sides. Triangles are classified on the basis of its angles or on the basis of its side lengths. The classification of triangles on the bases of its angles are: acute,...
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...
Curated Video
Find Corresponding Angles of Similar Triangles
In this short video we will answer a standardized math test question where we are asked to identify a missing angle of a triangle. We will review the definition and meaning of similar triangles. We will identify which angle corresponds...
Curated Video
Determining Similarity of Figures Using Dilations and Scale Factors
This video explains how to determine if two figures are similar using dilations and scale factors. It reviews the concept of similar figures, which have the same shape but different sizes and corresponding congruent angles. The video...
Brian McLogan
Using the Isosceles triangle theorem to find the measure of x
👉 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...
Let's Tute
Circle Theorems: An Introduction
Circle Theorems part 1/3: In this video, the teacher breaks down the concept of theorems related to circles and provides a step-by-step explanation of 12 theorems. The teacher also covers basic concepts and terms related to circles and...
Brian McLogan
What are the properties that make up a parallelogram
👉 Learn how to solve problems with parallelograms. A parallelogram is a four-sided shape (quadrilateral) such that each pair of opposite sides are parallel and are equal. Some of the properties of parallelograms are: each pair of...
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...
Brian McLogan
How congruent triangles compare to similar triangles
👉 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...
Brian McLogan
Determining Corresponding Parts of Two Congruent Triangles - Congruent Triangles
👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...
Brian McLogan
Proving two triangles are similar two different ways
👉 Learn how to solve for the unknown in a triangle divided internally such that the division is parallel to one of the sides of the triangle. The triangle proportionality theorem states that if a line is parallel to one side of a...
Curated Video
Applying the Properties of Congruence Through Reflections
In this video, students learn about the properties of congruence and how to determine if two figures are congruent using reflections. The video explains the concept of reflections, including how size and shape stay the same while...
Curated Video
Finding the Area of a Right Triangle by Composing a Rectangle
In this video lesson, students learn how to find the area of a right triangle by composing a rectangle. The teacher explains the concept of a right triangle being half of a rectangle and demonstrates how to find the area of a triangle by...
KnowMo
Proving Congruence of Triangles: Criteria and Conditions
The video explains the different criteria or conditions that can be used to prove that two triangles are congruent or identical to each other. The speaker discusses four different rules: side side side, two sides and the included angle,...
Math Fortress
Geometry: Beginning Proofs (Level 2 of 3)
In this video we will present and prove our first two theorems in geometry. Right angles theorem and Straight angles theorem.
Brian McLogan
What are Congruent Parts - Congruent Triangles
👉 Learn how to find the corresponding pairs of congruent triangles. Two or more triangles are said to be congruent if they have the same shape and size. To determine the corresponding congruent parts of a triangle, we use the congruent...
Brian McLogan
ACT SAT Prep How to determine the length of a parallelogram given a side and perimeter
ACT SAT Prep How to determine the length of a parallelogram given a side and perimeter
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...