Curated Video
Proving Angle Relationships in Triangles
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...
Curated Video
Classifying Right Triangles
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...
Curated Video
GCSE Secondary Maths Age 13-17 - Shapes & Area: Regular Shapes - 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...
Brian McLogan
What are Congruent Shapes - 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
Using Two Congruent Triangles to Find the Value of X and Y
👉 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
SAT ACT Prep How to find the area of a parallelogram using special right triangles
SAT ACT Prep How to find the area of a parallelogram using special right triangles
Brian McLogan
What are congruent parts of parallel lines
👉 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,...
Curated Video
GCSE Secondary Maths Age 13-17 - Algebra: Cosine Rule - 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...
Let's Tute
Circle Theorems: 12 Theorems Based on Circles
Circle Theorems part 2/3: The teacher in the video explains and proves 9 out of 12 theorems related to circles, using basic concepts and properties of triangles. The theorems include equal chords of a circle, angles subtended by an arc...
Tarver Academy
6-3 Conditions for Parallelograms - GEOMETRY
In This Episode, Tyler Teaches Us About Conditions for Parallelograms - Geometry
Brian McLogan
How to use the congruence of parallel lines to determine the missing value
👉 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,...
Let's Tute
Midpoint Theorem in Real Life: Hanging an LED Light at the Center of a Building
In this video, a teacher explains how the midpoint theorem in geometry can be applied in real-life situations, using the example of hanging an LED light at the center of a building. The teacher breaks down the steps to prove the theorem...
Brian McLogan
Determining multiple missing values using congruent polygons
👉 Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the...
Brian McLogan
Determine the Value of your Variables with 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
Determine the value of x when given two tangent lines to a circle
Learn how to solve problems with tangent line. A tangent line to a circle is a line that touches the circle at exactly one point. The tangent line to a circle makes a right angle with the radius of the circle at the point of its...
Brian McLogan
How to determine all of the measure of angles for an equilateral triangle
👉 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...
Brian McLogan
How to determine if a set of points makes up a rectangle using the distance formula
👉 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...
Brian McLogan
Determining the truth of a conditional statement
👉 Learn how to determine the truth or false of a conditional statement. A conditional statement is an if-then statement connecting a hypothesis (p) and the conclusion (q). If the hypothesis of a statement is represented by p and the...
Brian McLogan
Determining the missing values of two 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
Find the missing value using the diagonals and properties of a rectangle
👉 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
How to Write a Proof Using SSS Congruence Theorem - 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
Geometry - How to Determine the Missing Values with 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
What is the measure of the arc if two chords are congruent
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
Use special right triangles to determine the height to find the area of a parallelogram
👉 Learn all about Area and Perimeter. In this playlist, we will explore how to determine the area and perimeter of 2-dimensional figures. We will also look into combinations of figures. The focus will be on rectangles, squares,...