Brian McLogan
Classifying angle measures from a figure
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Curated Video
Measuring Angles with a Protractor
Mr. Addit reviews right angles, acute angles and obtuse angles. He then measures a few angles. Next, he estimates the measurement of a couple angles and then measures to see how well he estimated.
Maddie Moate
Where does Rubber come from? | Maddie Moate
Earlier this year Greg and I travelled to Thailand where we discovered that rubber comes from trees! Find out how natural rubber grows and learn how the locals take it from under the bark!
Curated Video
Acute, Obtuse, and Right Angles
Mr. Addit reviews the definition of βangle.β He then reviews right angle, acute angle, and obtuse angle and provides examples of each.
Brian McLogan
How do we classify the angles - Obtuse, straight, acute, right
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Brian McLogan
What are complementary and supplementary angles
π 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...
Curated Video
Measuring Angles Using Fractions of a Circle
This video lesson teaches students how to measure angles using fractions of a circle. It explains the concept of angles and right angles, and demonstrates how to use a sprinkler on a field to visualize and calculate angle measurements....
Brian McLogan
How to label the sides of an angle
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Brian McLogan
How to label the sides and vertex of an angle
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Brian McLogan
What is an angle
Learn all about angles. An angle is a figure formed by two rays sharing a common endpoint. An angle can be classified as acute, right, obtuse, straight or refrex. An acute angle is an angle which measures less than 90 degrees. A right...
Curated Video
Finding Acute Angle Measures in Right Triangles using Inverse Sine Function
In this video, you will learn how to find the measure of an acute angle in a right triangle using the inverse sine function. The video explains the ratios of side lengths for the trigonometric functions and introduces the concept of...
Brian McLogan
How to sketch a negative angle in degrees
π Learn how to sketch angles in terms of pi. An angle is the figure formed by two rays sharing the same endpoint. Angle is measured in radians or in degrees. One complete revolution about a point is equivalent to 2pi radians and 360...
Curated Video
Solving Non-Right Triangles Using the Law of Sines
In this video, you will learn how to find the missing side lengths of a non-right triangle using the Law of Sines. The Law of Sines relates the angle measures and side lengths of an oblique triangle.
Curated Video
Finding Acute Angle Measures in Right Triangles Using Inverse Cosine
This video explains how to find the measure of an acute angle in a right triangle when only the side lengths are known. It introduces the concept of inverse trigonometric functions, specifically the inverse cosine function, to determine...
Brian McLogan
Learn how to find the missing angle measure given arc length and radius
π 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...
Curated Video
Determining Similarity of Right Triangles Using Angle Measures
In this video lesson, students will learn how to determine if two right triangles are similar by examining their corresponding parts on a coordinate plane. The lesson explains the concept of similarity transformations and how they...
Brian McLogan
How does an oblique triangle compare to a right triangle
π 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
What is a radian and how does it compare to degree measure
π 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
Applying the law of sines with two acute angles
π 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...
Curated Video
Adding 10 or 100 Using Expanded Notation
In this video, students will learn how to quickly add 10 or 100 to any number using expanded notation. Understand the concept of place value and demonstrates how to write numbers in expanded notation. Through examples and practice...
Brian McLogan
Using the properties of a rectangle to find the missing value of an angle
π 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...
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...
Executive Finance
Analyzing Cash Flow Statements for a Steel Fabrication Business
In this lesson, the teacher analyzes the cash flow statements of a steel fabrication business, highlighting the differences between income reported in the accounting world and operating cash flow. The teacher breaks down each section of...
Brian McLogan
Find the measure of an angle use inverse tangent
π Learn how to find a missing angle of a right triangle. A right triangle is a triangle that has 90 degrees as one of its angles. The trigonometric identities of right triangles gives us the relationship between the angles of a right...