Curated Video
Understanding Dilations and Similar Triangles
In this video, the teacher explains how to determine if two triangles are similar under dilation. They review the properties of dilation and similar figures, such as proportional corresponding sides and congruent corresponding angles.
Curated Video
Solving Problems with Congruence Criteria
In this video, the teacher explains how to solve problems involving congruent triangles using congruence criteria. The three types of criteria discussed are side-side-side, side-angle-side, and angle-side-angle. The teacher also provides...
Let's Tute
Some Stupid Math Mistakes: Trigonometry in Real Life Situations
The video is a fun and engaging way to apply trigonometry to real-life situations. The teacher presents various scenarios and challenges the viewers to use their knowledge of angles and elevation to solve them. The video emphasizes that...
Brian McLogan
Given two similar triangles determine the values of x and y for the angles
👉 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
Geometry - How to show two triangles are similar using AA with parallel sides
👉 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
Given the sum, find the meausre or a single interior angle of a regular polygon ex 1
👉 Learn how to determine the measure of the interior angles of a regular polygon. A polygon is a plane shape bounded by a finite chain of straight lines. A regular polygon is a polygon whose sides are congruent (equal). The interior...
Brian McLogan
What are Alternate Exterior Angles
👉 Learn how to define angle relationship. Do you know the difference between interior and exterior angles? What is the relationship between parallel lines and transversal? When given parallel lines and a transversal we can label and...
Brian McLogan
Applying the Relationship of Corresponding Angles to Find the Value of x
👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry,...
Brian McLogan
Using corresponding angles as well as a linear pair to solve for x ex 3
👉 Learn how to solve for an unknown variable using parallel lines and a transversal theorems. Two lines are said to be parallel when they have the same slope and are drawn straight to each other such that they cannot meet. In geometry,...
Brian McLogan
How to find the missing value using the diagonals 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
What is an Included Angle - Congruent Triangles
👉 Learn about the included angles of a triangle. An included angle of a triangle is the angle between two sides of a triangle. An included side of a triangle is the side between two angles. To show that two triangles are congruent by the...
Brian McLogan
Using inscribed angles to determine the value of x and y
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
Vertical and straight angles solve for the measure of an two angles with two variables
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Brian McLogan
Using vertical angles to determine the measure of a minor arc for a circle
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
Finding the value of x using supplementary angles - Free Math Videos
👉 Learn how to find the value of an unknown variable in the expressions representing the values of angles given the relationship between the angles. When given expressions representing the values of angles and the relationship between...
Brian McLogan
What are positive and negative angles?
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Understanding the basics of angles in trigonometry
👉 Learn about angles in trigonometry. An angle is the figure formed by two rays sharing the same endpoint. The two rays are called the sides of the angle while the common endpoint of the two rays is called the vertex of the angle. Angle...
Brian McLogan
Evaluate the six trigonometric functions for the given real number
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Brian McLogan
Learning to evaluate the sum of two angles in radians, tan
👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
How to use the sum and difference formula for tangent
👉 Learn how to evaluate the tangent of an angle in degrees using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...
Brian McLogan
When given a triangle of SAS use law of cosines to find the remaining parts
Learn how to solve for the lengths of the sides and the measures of the angles of a triangle using the law of cosines. The law of cosines is used in determining the lengths of the sides or the measures of the angles of a triangle when no...
Brian McLogan
Find the area of an obtuse right triangle
👉 Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
Brian McLogan
Evaluate the six trigonometric functions for the given real number
👉 Learn how to evaluate the six trigonometric functions of a given angle. When given an angle we locate the angle on the unit circle. Then using the coordinate of the terminal side of the angle on the unit circle and the definitions of...
Curated Video
Identifying and Sorting Pentagons
In this video, students learn how to identify and sort pentagons at the Shape Warehouse by examining their attributes. They are taught that a polygon is a closed figure with straight sides, and a pentagon specifically has five sides and...