Brian McLogan
Geometry - What Does Congruency of AAS for Triangles Look Like
👉 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...
KnowMo
Introduction to Congruence and How to Identify Congruent Shapes
This video is a lecture presentation on congruence, where the speaker explains what it means for shapes to be congruent versus similar, and how to determine if two shapes are congruent. The presenter also gives examples of using tracing...
Brian McLogan
Writing a Two Column Proof 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...
Brian McLogan
How do you determine two triangles are similar using angle angle aa
👉 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
Find the Missing Angle
In this short video we will answer a standardized math test question where we are asked to find the missing angle. We will be presented with three intersecting lines that form a triangle. We will be asked to find the missing angle. We...
Brian McLogan
Given two congruent chords determine the measure of x for an arc
Learn how to solve problems with arcs of a circle. An arc is a curve made by two points on the circumference of a circle. The measure of an arc corresponds to the central angle made by the two radii from the center of the circle to the...
Brian McLogan
Master labeling vertical angles from a figure
Master labeling vertical angles from a figure
Tarver Academy
Finding Angles in Isosceles Triangles
In This Episode, Tyler Teaches Us About Finding Angles in Isosceles Triangles
Let's Tute
Quadrilateral Theorem - part 2
Here You'll learn theorems on Rectangle & Rhombus Diagonals of Rectangle are congruent and that of rhombus are perpendicular bisectors and theirs converse as well
Brian McLogan
Classifying triangles how to classify a triangle based on the sides of the triangle ex 6
👉 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,...
Brian McLogan
Using the properties of a rhombus to determine the missing value
👉 Learn how to solve problems with rhombuses. A rhombus is a parallelogram such that all the sides are equal. Some of the properties of rhombuses are: all the sides are equal, each pair of opposite sides are parallel, each pair of...
Brian McLogan
Using Congruent Triangles to Determine the Value of X
👉 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...
Brian McLogan
Determining if Two Triangles are Congruent by Plotting Points
👉 Learn how to show whether two triangles are congruent from the coordinate (x-y) plane. Two or more triangles are said to be congruent if they have the same shape and size. To show whether two triangles whose points on the coordinate...
Curated Video
Translations: The Mathematical Slide
In this video lesson, students will be introduced to translations and understand its affect on congruence. We will discover that all figures translated in the coordinate plane result an image that is congruent to the original figure. We...
Curated Video
Determining if Given Measurements Can Create a Triangle
In this lesson, students will learn how to determine if given measurements can form a triangle by applying the triangle inequality theorem. They will understand that the sum of any two sides of a triangle must be greater than the third...
Brian McLogan
What are some characteristics of an isosceles trapezoid
👉 Learn how to solve problems with trapezoids. A trapezoid is a four-sided shape (quadrilateral) such that one pair of opposite sides are parallel. Some of the properties of trapezoids are: one pair of opposite sides are parallel, etc. A...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Algebra - 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...
Curated Video
Analyzing Rectangular Prisms: Congruent Faces and Prism Types
In this lesson, students will review the concepts of congruence, parallelism, and what a prism is. The lesson covers three types of rectangular prisms: those with three pairs of congruent faces, those with two sizes of congruent faces,...
Curated Video
How You Can Determine Similarity
In this video lesson, we will learn the definition of similar figures. Similar figures are figures that are the same shape but different sizes. Similar figures have corresponding sides that are proportional and corresponding angles that...
Brian McLogan
Showing two triangles are similar when they overlay each other using SAS
👉 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...
Brian McLogan
Writing a Proof for Two Triangles Congruent Under SSS - 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...
Brian McLogan
How to Determine X and Y Using Congruent Triangles
👉 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...
Brian McLogan
How Does Congruency of ASA Look like - 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...
Curated Video
Learning About Translations in the Coordinate Plane
This video lesson introduces translations as the first of four transformations in this playlist. Students will learn that a translation is a mathematical slide. Students will learn to identify a translation and the effect a translation...