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Brian McLogan
Right triangle trigonometry evaluate trig functions of a triangle
👉 Learn how to evaluate the six trigonometric functions given a right triangle. A right triangle is a triangle with 90 degrees as one of its angles. A right triangle is made up of two legs, which formed the sides of the 90 degrees angle...
Brian McLogan
Evaluating an expression with one variable ex 9, ((z - 1)^2 + z) / (z + 1); z = -7
👉 Learn how to evaluate mathematics expressions. A mathematics expression is a finite combination of numbers and symbols formed following a set of operations or rules. To evaluate a mathematics expression means to obtain the solution to...
The March of Time
British merit system
MOT 1937: BRITISH MERIT SYSTEM: WS University buildings. WS Student w/ bicycle outside of arch doorway. INT WS Students walking in hall. VS Students in classroom exam professor. VS CU Exam Greek paper. WS Student sitting down oral...
Brian McLogan
How to Multiply Polynomials Using the Foil Face - Math Tutorial
👉 Learn how to multiply polynomials. To multiply polynomials, we use the distributive property. The distributive property is essential for multiplying polynomials. The distributive property is the use of each term of one of the...
XKA Digital
Hard work alone is not enough-
Zeina is Managing Director at The Carlyle Group advising on Corporate Private Equity and European buyout opportunities. Prior to joining Carlyle, Zeina was an Associate at European Digital Capital, a technology venture capital fund....
Brian McLogan
Determining if a set of points is a rhombus, square or rectangle
👉 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...
History Hit
How Christianity Shapes Our Morality: The civilization crisis
Tom Holland concludes by explaining how much Christianity is a cultural civilizational phenomenon.<br/>
How Christianity Shapes Our Morality, Part 7
How Christianity Shapes Our Morality, Part 7
The Wall Street Journal
How to Build a Risk and Threat Intelligence Program
A risk and threat intelligence program can be incredibly valuable for small and medium-sized businesses in identifying security gaps and improving security controls. Lessons can be learned from global enterprises.
Curated Video
The Complete Beginners Guide to Arduino - 2021 - Bits and Bytes
Bits and bytes were mentioned in a previous lecture. Bits make up the digits in a binary number. Understanding the basics of the binary number system will help you understand how numbers are stored within the Arduino chip. In this...
CK-12 Foundation
Special Right Triangle 45-45-90: Lesson
Square roots connect squares and right triangles. Using the Pythagorean Theorem, the video shows the relationship between the sides and hypotenuse of a 45-45 right triangle. The portion of a larger geometry playlist applies the...
Flipped Math
Special Right Triangles II
Show students that right triangles are radical. Learners see how the lengths of the sides of a 45-45-90 triangle relate. Using that relationship, pupils observe how to find any of the lengths given one side of a triangle. They go on to...
CK-12 Foundation
Special Right Triangle 30-60-90: Lesson
It is special—given one length, you can find the other two. A segment of a basic geometry playlist provides the ratio of the lengths of sides of a 30-60 right triangle. The presentation shows how to use the ratio to find side lengths...
Flipped Math
Special Right Triangles I
Introduce a special relationship with right triangles. Learners discover the ratio of the sides in a 30-60-90 triangle. After watching several examples and seeing two different methods, pupils find unknown sides in triangles. Scholars...
Curated OER
How Do You Find a Missing Angle in a Right Triangle?
The triangle sum theorem states that the interior angles of a triangle add up to 180 degrees. So it seems logical that if there are two known values given for the interior angles of a triangle, the third value could be found using this...
Khan Academy
Triangle Medians and Centroids, Special Properties and Parts of Triangles, Geometry
This video discusses the terminology used in geometry, including words such as centroid and median. Through this lecture, young mathematicians can see a visual representation of both. The video also demonstrates how to calculate medians.
Khan Academy
Triangle Medians and Centroids, Special Properties and Parts of Triangles, Geometry
This video discusses the terminology used in geometry, including words like centroid and median. Through this lecture, young mathematicians can see a visual representation of both median and centroid. Also, a proof showing how to...
Khan Academy
SAT Prep: Test 8 Section 2 Part 4
Advising students to become comfortable with the 30-60-90 triangles as an SAT prep skill, Sal finishes this review session with a geometry problem, an algebra problem with fractions, slopes, and median numbers. His tips and test-taking...
Sophia Learning
Sophia: Special Right Triangles
Special right triangles are investigated in this video tutorial. The lesson provides background knowledge and two videos that show the relationships of the sides in special right triangles and practice problems to test students'...
Sophia Learning
Sophia: Two Special Triangles
In this video tutorial, explore the 45-45-90 and 30-60-90 triangles and what the properties of each are. Check understanding with a quiz. [6:35]
Sophia Learning
Sophia: Two Special Triangles: Lesson 3
This lesson explains what 45-45-90 and 30-60-90 right triangles are and discusses their properties. It is 3 of 5 in the series titled "Two Special Triangles."
Sophia Learning
Sophia: Two Special Triangles: Lesson 2
This lesson explains what 45-45-90 and 30-60-90 right triangles are and discusses their properties. It is 2 of 5 in the series titled "Two Special Triangles."
Khan Academy
Khan Academy: Geometry: 30 60 90 Triangles Ii
In this video tutorial, the instructor demostrates how to apply the special relationship between the legs and hypotenuse of a 30-60-90 triangle. Solves two different example problems using the relationship. Practice problems available....
Khan Academy
Khan Academy: Geometry: 30 60 90 Triangle Side Ratios Proof
In this video tutorial [6:59], the instructor provides a proof for the relationship among the legs and hypotenuse of 30-60-90 triangles by breaking an equilateral triangle into two congruent triangles and using the Pythagorean threorem.
Virtual Nerd
Virtual Nerd: What's an Irrational Number?
An irrational number is a number that cannot be written as a fraction. View this tutorial to see some examples and learn the definition and an important property of these special numbers. [2:06]