Brian McLogan
How to use the triangle bisector theorem to solve your missing length
👉 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
How to determine the three trigonometric ratios for a triangle
👉 Learn all about the trigonometry of right triangles. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles give us the relationship between the angles of a right...
Brian McLogan
Proving Two Angles are Congruent by their Proving 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
Learning to Write a Proof for ASA of Two Triangles - 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 Determine Corresponding Parts of Two 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
Geometry - Proving Two Triangles are Congruent Using SAS
👉 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 Do You Represent AAS and ASA for Triangles - Congruent Triangles
👉 Learn about congruent triangles theorems. Two or more triangles (or polygons) 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...
KnowMo
Reflections: Understanding Mirror Lines and Transformation Rules
The video is a lecture presentation on the topic of reflections in mathematics. It explains the concept of transformations and how reflections are a type of transformation. The presenter discusses different types of mirror lines,...
Brian McLogan
Evaluate six trig functions given an equation and creating a right triangle
👉 Learn how to evaluate the six trigonometric functions given the value of one of the trigonometric functions. When given the value of one of the trigonometric functions of an angle, we can evaluate the values of the other trigonometric...
Brian McLogan
How to Find the Missing Angle Using Inverse Sine Triangle
👉 Learn how to evaluate inverse trigonometric functions. When an angle is unknown but the value of one of the trigonometric functions of the angle is known, we can evaluate the value of the angle using the inverse trigonometric function...
Brian McLogan
What is the formula for arc length with radius and theta
👉 Learn how to solve problems with arc lengths. You will learn how to find the arc length of a sector, the angle of a sector, or the radius of a circle. An arc of a circle is the curve between a pair of points on the circumference of the...
Brian McLogan
Learn how to find the missing angle measure given arc length and radius
👉 Learn how to solve problems with arc lengths. You will learn how to find the arc length of a sector, the angle of a sector, or the radius of a circle. An arc of a circle is the curve between a pair of points on the circumference of the...
Brian McLogan
How to find the degree measure of 2 radians
👉 Learn how to convert angles from radians to degrees. Recall that pi radians is equivalent to 180 degrees. Thus, when given an angle in radians, to convert the angle to degrees we multiply the given angle radians by the ratio 180/pi.
Brian McLogan
Double angle of cosine using right triangle
👉 Learn how to evaluate the double angle of sine. The value of the sine of double a given angle can be obtained given the value of the sine of the angle. The value of the sine of double a given angle is obtained using the formula sin(2u)...
Brian McLogan
How to find the missing parts of a triangle using law of sines SSA 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
Applying the law of sines with two acute angles
👉 Learn how to solve for the length of the sides and the measures of the angles of a triangle using the law of sines. The law of sines is used in determining the length of the opposite side to a known angle measure or the measure of the...
Brian McLogan
How to find the third term of a binomial expansion to the fifth power
👉 Learn how to find the given term of a binomial expansion. A binomial expression is an algebraic expression with two terms. When a binomial expression is raised to a positive integer exponent, we usually use the binomial expansion...
Brian McLogan
Why we avoid the law of sines over the law of cosines with ambiguous triangles
Why we avoid the law of sines over the law of cosines with ambiguous triangles
Curated Video
Java Programming for Complete Beginners - Java 16 - Step 24 - Java Conditionals and If Statement - Exercise Statements
This video talks about Java conditionals and if statement - exercise statements. This clip is from the chapter "Introduction to Java Programming with JShell Using Multiplication Table" of the series "Java Programming for Complete...
Curated Video
How to Identify Coordinates to Create a Right Triangle
In this short video we will answer a standardized math test question where we are asked to identify a missing coordinate to form a right triangle in a coordinate plane. We will understand that the coordinate plane is composed of right...
Curated Video
Using Pythagorean Theorem to Find the Distance Between Two Points
In this video lesson we will learn how to create a right triangle in the coordinate plane to use the Pythagorean Theorem to find the diagonal distance between to points. We will find the perimeter of a right triangle in the coordinate...
Brian McLogan
Determining a missing length using the properties of a rhombus
👉 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...
Brian McLogan
What is the Third Angle Theorem of 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)...