Instructional Video6:30
Curated Video

Proofs Using CPCTC

K - 8th
Congruent triangles are two triangles that share the same shape and size, but their positioning may be different. If you know that two triangles are congruent, you can prove every corresponding angle and every corresponding side is...
Instructional Video3:28
Brian McLogan

How to use the pythagorean theorem to find the missing length of a kite

12th - Higher Ed
👉 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...
Instructional Video5:26
Curated Video

Classifying Triangles by Examining Properties

K - 5th
In this video, students will learn about the concept of angles and how they determine the classification of a triangle. The video explains the different types of triangles, such as acute, obtuse, isosceles, equilateral, and scalene,...
Instructional Video5:59
Curated Video

Sorting Quadrilaterals by Attributes

K - 5th
In this lesson, students will learn about quadrilaterals and how to sort them based on their attributes. They will explore the characteristics of polygons, quadrilaterals, angles, parallel lines, and congruent sides.
Instructional Video7:25
Curated Video

Proving Angle Relationships in Triangles

K - 5th
Learn how to find the measure of angle A in a triangle when angle B is given as 40 degrees. This lesson covers the concepts of congruent angles, parallel lines, and side-angle-side congruence. Watch a demonstration of how to prove the...
Instructional Video3:38
Curated Video

Classifying Right Triangles

K - 5th
In this lesson, students will learn the concepts of acute, obtuse, and right angles, as well as equilateral, isosceles, and scalene sides. By combining both angles and sides, students will be able to classify different types of right...
Instructional Video1:41
Brian McLogan

Using the Hinge Theorem to Compare Sides of a Triangle - Congruent Triangles

12th - Higher Ed
👉 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)...
Instructional Video0:37
Brian McLogan

Learn to classify a triangle based on the sides of the triangle ex 7

12th - Higher Ed
👉 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,...
Instructional Video1:38
Brian McLogan

Using the properties of a rhombus to determine the side of a rhombus

12th - Higher Ed
👉 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...
Instructional Video2:32
Curated Video

How to Identify a Rhombus

9th - 12th
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...
Instructional Video5:59
Curated Video

Classifying Parallelograms: Examining Angles and Sides

K - 5th
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...
Instructional Video3:10
Brian McLogan

How to find the missing angle of a kite

12th - Higher Ed
👉 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...
Instructional Video4:49
Curated Video

Identifying Squares: Understanding Attributes

K - 5th
In this video, the teacher guides students on how to identify squares by understanding their attributes. They discuss concepts such as quadrilaterals, parallel lines, right angles, and congruent sides. Through examples and visual aids,...
Instructional Video4:43
Curated Video

Drawing Geometric Shapes with Given Lengths of Sides

K - 5th
In this video, the teacher explains how to draw geometric shapes using only the lengths of their sides. They demonstrate how to draw triangles with different side lengths and explore the concept of congruent triangles. They also show how...
Instructional Video3:04
Brian McLogan

Using the properties of parallelograms to solve for the missing diagonals

12th - Higher Ed
👉 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...
Instructional Video6:26
Curated Video

Naming Quadrilaterals: Exploring the Relationships Between Shapes

K - 5th
In this video, we explore the different attributes and names of quadrilaterals. We explain how quadrilaterals can have multiple names based on their shared attributes, using examples like squares, rectangles, parallelograms, and...
Instructional Video11:01
Cerebellum

Geometry - Definitions

9th - 12th
Understand and making sense of geometry: Triangles, and their angles. This is part 1 from the series 'Geometry Program'.
Instructional Video1:53
Brian McLogan

how to find the measure of x using an isosceles triangle

12th - Higher Ed
👉 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...
Instructional Video3:53
Curated Video

Understanding Isosceles Triangle Properties

9th - 12th
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.
Instructional Video5:45
Brian McLogan

What are the properties that make up a parallelogram

12th - Higher Ed
👉 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...
Instructional Video4:03
Curated Video

Identifying Shapes by Classification

K - 5th
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...
Instructional Video6:55
Curated Video

Identifying Line Symmetry in Regular Polygons

K - 5th
In this video, the teacher explains how to determine the number of lines of symmetry in regular polygons. They discuss the three options for line symmetry: horizontal, vertical, and diagonal. Using examples of an equilateral triangle,...
Instructional Video1:59
Brian McLogan

What is a kite

12th - Higher Ed
👉 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...
Instructional Video12:40
Curated Video

Congruent Figures

9th - 12th
In this video lesson you will learn about congruent figures. We will learn the definition of congruent figures. Students will learn how to identify corresponding sides and corresponding angles to determine if figures are congruent....