Geometry: Getting Started - Pythagorean theorem  
   
This mini-lesson content introduces and walks you through the basic concepts about the Pythagorean Theorem involving the relationship between the sides of a right triangle, adjacent angles, and proofs of the theorem. You will learn it with the help of some examples and practice questions with solution, using video and explanations in own handwriting by the instructor that brings in an element of real-class room experience.
Pythagorean Theorem is a relation among the three sides of a right triangle (only works in right triangles). A right triangle is a triangle with one right angle and has two sides called legs and third side opposite to the right triangle i.e. the longest side and is called the hypotenuse. (Continued below the video - scroll down)
This FREE mini-lesson is a part of Winpossible's online Geometry course which covers all topics within Geometry. Click on the video below to go through it.
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(Continued from above the video). The theorem states: In any right triangle, the area of the square whose side is the hypotenuse (the side opposite the right angle) is equal to the sum of the areas of the squares whose sides are the other two legs (the two sides that meet at a right angle).
In summary it is: the square of the hypotenuse of a right triangle is equal to the sum of the squares on the other two sides. If we let c be the length of the hypotenuse and a, b be the lengths of the other two sides, it is expressed as
             c2 = a2 + b2.
You'll also learn the proof of Pythagorean Theorem and the property, if the side-lengths of a right triangle are whole numbers, then the three lengths show a Pythagorean triple. For example, 3, 4, 5 and 5, 12, 13 are Pythagorean triples.

As many of you know, Winpossible's online courses use a unique teaching method where an instructor explains the concepts in any given area to you in his/her own voice and handwriting, just like you see your teacher explain things to you on a blackboard in your classroom. This particular mini-lesson includes the teacher's instruction, practice questions as well as end-of-lesson quizzes for practice. As we mentioned above, you can enroll in our online course in Geometry by clicking here.

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