Curated Video
How to Identify a Rhombus
In this short math video we will answer a standardized math test question where we demonstrate we know how to identify a rhombus. We will review the three properties of a rhombus. We will consider each of the four quadrilaterals given...
XKA Digital
Be true to your values
Craig is the Managing Director of Inspired, and is a speaker, trainer and coach on the European conference circuit, with expertise in personal leadership. He loves his work with companies and individuals and feels privileged to have...
Curated Video
Reflections: The Mathematical Flip
In this video lesson we will learn how to reflect images in the coordinate plane over the x and y axis. We will first identify the line of reflection given in the instructions. We will then determine the distance the original point is...
Curated Video
Classifying Parallelograms: Examining Angles and Sides
In this video, the teacher explains how to classify parallelograms based on their angles and sides. They discuss the properties of a parallelogram, rhombus, rectangle, and square, highlighting their similarities and differences. By...
Let's Tute
Criteria for Congruency of Triangles
In this video, the teacher explains the criteria for proving similarity and congruency between triangles, using different combinations of angles and sides. The video covers the AAA, AA, AAS, SAS, SSS, and RHS criteria, and provides...
Brian McLogan
How to find the missing angle of a kite
👉 Learn how to solve problems with kites. A kite is a four-sided shape (quadrilateral) with two equal pairs of adjacent sides and the diagonals are perpendicular. Some of the properties of kites are: each pair of adjacent sides are...
Brian McLogan
Identify the Relationship Between Two Angles in a Box
👉 Learn how to identify angles from a figure. This video explains how to solve problems using angle relationships between parallel lines and transversal. We'll determine the solution given, corresponding, alternate interior and exterior....
Brian McLogan
Solve for the value of x and y using congruent inscribed angles
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
How to determine the missing measures 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...
Brian McLogan
Proving Two Triangles are Congruent by ASA
👉 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 the contrapositive of a conditional statement
👉 Learn how to find the contrapositive of a statement. The contrapositive of a statement is the switching of the hypothesis and the conclusion of a conditional statement and negating both. If the hypothesis of a statement is represented...
Let's Tute
Proving Quadrilateral Theorems with Congruent Triangles
Properties of Quadrilaterals part 2/2: This is a video of a teacher explaining how to use congruency of triangles to prove theorems related to quadrilaterals. The teacher uses examples and diagrams to demonstrate how to prove statements...
Brian McLogan
Use a Two Column Proof to Prove Congruence Using CPCTC - 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
How to Identify Congruent Triangles
In this short video we will answer a standardized math test question where we are asked to identify a congruent triangle to a given triangle. We will review the definition of congruent figures is that corresponding sides must be...
Curated Video
Analyze Triangular Prisms to Find Surface Area
This video explains how to analyze triangular prisms by identifying and assessing pairs of congruent triangular faces. It discusses the concept of congruence and parallelism in 3D solids. The lesson highlights the different sizes and...
Curated Video
Determining Similarity of Acute Triangles by Examining Corresponding Parts
In this video, students learn how to determine if two acute triangles are similar by examining their corresponding parts. They review the concept of similarity transformations and how they preserve shape but may change size.
Curated Video
Determining Similarity of Triangles with Congruent Corresponding Angles
In this video, the teacher explains how to determine if two triangles are similar when you only know the measures of two pairs of angles. By examining their corresponding parts, such as sides and angles, you can determine if the...
Curated Video
Finding Angle Measurements using Vertical and Adjacent Angles
Learn how to find angle measurements when parallel lines are cut by a transversal. The concept of vertical angles, adjacent angles, and supplementary angles are introduced and used to find the value of unknown angles. The lesson provides...
Brian McLogan
Writing a two column proof using properties of rectangles for triangle congruence
👉 Learn how to solve problems with rectangles. A rectangle is a parallelogram with each of the angles a right angle. Some of the properties of rectangles are: each pair of opposite sides are equal, each pair of opposite sides are...
Brian McLogan
Determine the the Values of X and Y Using Congurent 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
What is the Perpedicular Bisector Theorem and it's Converse - Congruent Triangles
👉 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)...
msvgo
Basic Geometric Constructions and their Validation
It explains the justification behind all basic constructions like angle bisector, perpendicular bisector and special angles.
Curated Video
Reflecting a Parallelogram: Understanding Changes and Similarities
In this video, students learn about reflecting a parallelogram and how it affects the shape. The teacher explains the concept using vocabulary terms such as congruent line segments, congruent angles, and parallel lines.
Math Fortress
Geometry: Measurement of Segments (Level 2 of 4)
In this video we will start taking a look at simple examples that require us to find the length of segments and use the concept of congruent segments.