Instructional Video6:55
Math Fortress

Geometry: Division of Segments and Angles (Level 7 of 8)

12th - Higher Ed
In this video we will go over 3 slightly more challenging examples involving angle bisectors and angle trisectors.
Instructional Video5:26
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Proof - Congruent Triangles - Explained

9th - 12th
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...
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 Video5:59
Brian McLogan

How To Write a Proof - Proving Parallel Lines

12th - Higher Ed
👉 Learn how to write a proof when given angles from parallel lines and a transversalWe will explore angle relationships with parallel lines and a transversal. Parallel lines are two lines on a plane that will never intersect and a...
Instructional Video3:41
Curated Video

Finding Angle Measurements Using Alternate Interior and Exterior Angles

K - 5th
This video explains how to find the measurements of angles created when parallel lines are cut by a transversal using alternate interior angles and alternate exterior angles. It covers concepts such as vertical angles, adjacent angles,...
Instructional Video2:45
Brian McLogan

What are proportional and congruent parts of parallel lines

12th - Higher Ed
👉 Learn how to solve for an unknown measure using parallel sides. When two parallel lines are cut by a transversal, there are some congruents angles that are formed. Some of the congruents angles formed include the corresponding angle,...
Instructional Video9:55
Tarver Academy

Measuring and Constructing Segments - GEOMETRY 1.2

12th - Higher Ed
In This Episode, Tyler Teaches Us About Measuring and Constructing Segments - GEOMETRY 1.2
Instructional Video5:42
Brian McLogan

Using the properties of rectangles to solve for x

12th - Higher Ed
👉 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...
Instructional Video4:43
Tarver Academy

6-5 Conditions for Special Parallelograms - GEOMETRY

12th - Higher Ed
In This Episode, Tyler Teaches Us About Conditions for Special Parallelograms - Geometry
Instructional Video8:08
Zach Star

Cryptography - The Mathematics of RSA and the Diffie-Hellman Protocol

12th - Higher Ed
Cryptography - The Mathematics of RSA and the Diffie-Hellman Protocol
Instructional Video3:50
Curated Video

Proving Triangle Similarity with Algebraic Proof

K - 5th
In this video, the teacher explains how to prove that two triangles are similar using algebraic proofs. They review the vertical angle theorem and the double-angle postulate, which are used to establish congruence between angles. The...
Instructional Video4:36
Curated Video

Understanding Translations: What Changes and What Stays the Same

K - 5th
In this lesson, students will learn about the concept of translation in geometry. They will explore how a figure can be moved by sliding it, creating a new image called a prime. Through this process, they will discover that the length of...
Instructional Video8:42
Brian McLogan

Using the slope formula to determine if points make up a rectangle

12th - Higher Ed
👉 Learn how to determine the figure given four points. A quadrilateral is a polygon with four sides. Some of the types of quadrilaterals are: parallelogram, square, rectangle, rhombus, kite, trapezoid, etc. Each of the types of...
Instructional Video13:46
Tarver Academy

6-2 Properties of Parallelograms - GEOMETRY

12th - Higher Ed
In This Episode, Tyler Teaches Us About Properties of Parallelograms - Geometry
Instructional Video4:03
Curated Video

GCSE Secondary Maths Age 13-17 - Geometry & Measures: Perimeter - Explained

9th - 12th
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...
Instructional Video6:51
Brian McLogan

What are the properties that make up 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 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 Video2:34
Curated Video

GCSE Secondary Maths Age 13-17 - Shapes & Area: Regular Shapes - Explained

9th - 12th
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...
Instructional Video4:25
Brian McLogan

What are Congruent Shapes - Congruent Triangles

12th - Higher Ed
👉 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...
Instructional Video4:21
Brian McLogan

Using Two Congruent Triangles to Find the Value of X and Y

12th - Higher Ed
👉 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...
Instructional Video6:03
Brian McLogan

SAT ACT Prep How to find the area of a parallelogram using special right triangles

12th - Higher Ed
SAT ACT Prep How to find the area of a parallelogram using special right triangles
Instructional Video1:07
Brian McLogan

What are congruent parts of parallel lines

12th - Higher Ed
👉 Learn how to solve for an unknown measure using parallel sides. When two parallel lines are cut by a transversal, there are some congruents angles that are formed. Some of the congruents angles formed include the corresponding angle,...
Instructional Video5:15
Curated Video

GCSE Secondary Maths Age 13-17 - Algebra: Cosine Rule - Explained

9th - 12th
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...