Let's Tute
Lines and Angles: Properties and Theorems
Lines and Angles part 2/2: This video explains the properties of triangles and their angles, including the measure of angles and the remote interior angle theorem. Through logical and analytical reasoning, we can understand the real-life...
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...
IDG TECHtalk
Blockchain technology: A corporate enigma | TECH(talk)
The nuances around implementing blockchain —adding business partners to a network, integrating it with legacy systems and navigating uncertain regulatory waters — make its future uncertain. Computerworld’s Ken Mingis and Lucas Mearian...
Brian McLogan
Evaluate tangent sum and difference formula
👉 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
Learn how to verify a trigonometric identiy using pythagorean identities
👉 Learn how to verify rational trigonometric identities involving the addition and subtraction of terms. To verify trigonometric expression means to verify that the term on the left-hand side of the equality sign is equal to the term on...
Brian McLogan
Writing a two column proof using properties of rectangles for triangle congruence
👉 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
Verify an identity by multiplying by the conjugate
👉 Learn how to verify trigonometric identities having rational expressions. To verify trigonometric expression means to verify that the term(s) on the left hand side of the equality sign is equal to the term(s) on the right hand side. To...
TMW Media
Geometric Proofs: Part 2 of 3 of learning to solve proofs
This video contains 2 more proofs to solve. Geometric Proofs, Part 5
Math Fortress
Geometry: Beginning Proofs (Level 3 of 3)
In this video we go over 3 examples that illustrates how to use previously proven theorems, assumptions, properties of real numbers, variables, and operations as a reason in a proof.
Let's Tute
Circle Theorems: An Introduction
Circle Theorems part 1/3: In this video, the teacher breaks down the concept of theorems related to circles and provides a step-by-step explanation of 12 theorems. The teacher also covers basic concepts and terms related to circles and...
Brian McLogan
How to use geometry proofs to win arguments with your parents
👉 Learn how to write a proof given a triangle. A triangle is a polygon with three sides. A proof is a series of statements and reasons that establishes the truth of a mathematical claim(statement). To write a proof given a triangle, we...
Brian McLogan
Solving two triangles are similar using SSS
👉 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...
Professor Dave Explains
Proving the Pythagorean Theorem
One easy demonstration that proves the validity of the Pythagorean theorem.
Let's Tute
Similar Triangles - Geometry
In this online math video we will learn about similar triangles.This online math video help us to know about concept of similarity with respect to triangles.
Cerebellum
Geometry - Proofs continued
Understand and making sense of geometry: Proofs continued. This is part 3 from the series 'Geometry Program'.
Let's Tute
Quadrilateral Theorem - part 1
In this video, we will prove 4 theorems. 1. Diagonals of parallelogram bisect each other. 2. Diagonal of parallelogram divides it into two congruent triangles. 3. Opposite sides of parallelogram are equal,. 4. Opposite angles of...
Zach Star
The Math Major
This video covers the math major including applied math vs pure math, courses you'll take, and careers you can go into. The math major in undergrad involves a lot of the same classes whether you go into applied math or pure math include...
Sky News
Interview with Russian Ambassador to the UK - PART 1
PART 1 - CLEAN: Shows interior shots interview with Russian Ambassador to the UK Alexander Yakovenko speaking on Russian view of Salisbury Novichok poisoning case. The Russian Ambassador to the UK claims the British government never...
Khan Academy
Proof: cos(a+b)=(cos a)(cos b)-(sin a)(sin b)
Using a similar method that he used to prove the sum of angles formula for sine, Sal shows the proof of the cosine sum of angles formula, cos (a+ b) = cos (a) cos (b) - sin (a) sin (b). This proof also uses the SOH-CAH-TOA model and some...
Flipped Math
Unit 5 Review: Quadrilaterals and Polygons
Yes, it will be on the test. Young mathematicians first view an educational video to refresh their memories about material from the unit. They then complete a review worksheet where they find the measures of interior angles of polygons,...
Flipped Math
Unit 6 Review: Similar Figures
After a short review of the material from the Similar Figures Unit, pupils work through 18 problems to further practice the skills from the unit. Scholars apply those skills in the application problems at the end of the review.
Flipped Math
Side Splitter Theorem
Apply perspective to similarity. Individuals learn about the Side Splitter Theorem by looking at perspective drawings. Pupils use the theorem and its corollary to find missing lengths in figures. Next, they practice using the theorem and...
Flipped Math
Prove Triangles Similar
Show more than one way to prove similarity. Scholars learn three different methods to show two triangles are similar, Angle-Angle, Side-Side-Side, and Side-Angle-Side. Pupils practice applying these methods to determine whether two given...
Flipped Math
Parallel Lines and Triangles
Triangles bring sums to geometry. The lesson presents two theorems dealing with the angles of a triangle. Pupils learn about the Triangle Sum Theorem and the Exterior Angle Theorem, and then apply the theorems to create equations and...