Brian McLogan
Tutorial for evaluating tangent of an angle on the unit circle first quadrant
👉 Learn how to evaluate trigonometric functions of a given angle. Given an angle greater than 2pi in radians, to evaluate the trigonometric functions of the given angle, we first determine the smallest positive coterminal angle of the...
Brian McLogan
36 Times I Found The Missing Side of The Triangle
If you have every struggled with using special right triangles like the 30-60-90 or 45-45-90 triangle to find the missing side then this video is sure to entertain you as we explore 36 different examples given the short leg, long leg and...
Brian McLogan
Master How to determine the angle of a vector
Master How to determine the angle of a vector
Brian McLogan
Simple way to evaluate trigonometric functions using the Unit Circle
Looking for an easy way to remember the unit circle or just use it to evaluate trigonometric functions. If you are in a pinch of time here is a brief explanation of how I taugh my Algebra 2 students.
Curated Video
KS2 Primary Maths Age 9-13 - Algebra: - Explained
SchoolOnline's Primary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 9-13, they cover every key topic and sub topic covered in Maths in clear and easy to follow steps. This video looks at...
Professor Dave Explains
Practice Problem: Pendulum Velocity
Now you're really getting advanced with your building skills. Check out this pendulum. It's a good thing we know about potential energy and kinetic energy, because that will allow us to calculate the velocity of the pendulum at any...
FuseSchool
Similar Shapes
Similar Shapes | Geometry | Maths | FuseSchool In this video we are going to look at similar shapes. Similar shapes are the exact same shape, but may be different sizes. Like a photocopier can increase the size of a page from A5 to A3....
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...
Brian McLogan
How to apply the midsegment theorem for triangles
👉 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
How to use the law of sines for SSA to solve missing parts of One triangle
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Brian McLogan
Ambiguous case, law of sines, two triangles
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Brian McLogan
Ambiguous Case, how many triangles |#shorts
How to determine the number of triangles given SSA the ambiguous case for law of sines #shorts
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...
Let's Tute
Introduction to Similar Triangles in Geometry
In this video, the teacher explains the concept of triangles and their angles, and how to identify similar triangles based on their corresponding angles and aspect ratios. The teacher also introduces the concept of scale factor and how...
Let's Tute
Heron's Formula for Calculating Areas of Triangles and Quadrilaterals
This video explains how to calculate the area of triangles using Heron's formula, which only requires the length of the sides. It also shows how Heron's formula can be used to calculate the area of any type of quadrilateral if all the...
Brian McLogan
Using the law of sines to solve two cases of SSA
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Brian McLogan
Ambiguous case law of sines two triangles SSA
👉 Learn how to determine if a given SSA triangle has 1, 2 or no possible triangles. Given two adjacent side lengths and an angle opposite one of them (SSA or ASS), then there are 3 possible cases: there can be 1 solution, 2 solutions,...
Brian McLogan
Facing Up vs Facing Down Congruent Triangles | Can You Solve?
Facing Up vs Facing Down Congruent Triangles | Can You Solve?
Curated Video
Classifying Triangles Based on Sides' Length
Classifying triangles based on the sides’ length.