The perpendicular bisector of the base of an isosceles triangle is the bisector of the vertical angle.
Geometry Theorem
If bisector of an angle of a triangle is perpendicular to the opposite side, the triangle is an isosceles triangle: https://youtu.be/CWhyqsvNehI
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Please watch: "If ?^?.?^?=(?^? )^?, show that ?/?+?/?=??−?."
https://www.youtube.com/watch?v=rZcUcisuYSc
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https://www.youtube.com/watch?v=ySoDa4rHn1w
construction of rhombus || Introduction of rhombus
Here is the video about how to construct a rhombus by using compass and ruler.
The question is:
Construct a rhombus ABCD in which diagonal AC = 8 cm and diagonal BD = 6.2 cm.
For type 2: https://youtu.be/kIMOm8o-RWE
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https://www.youtube.com/watch?v=9UfnGzglbRs
Probability with question answer.
A card is drawn from a well-shuffled deck of 52 cards. What will be the probability of getting a diamond or a face card?
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https://www.youtube.com/watch?v=fZ-qblTssCo
Use of Geogebra
Geogebra is most famous and easy software to draw geometrical figure, 3D figure, curve and statistical graph.
Today I am going to show how to draw geometrical figure by using Geogebra software. I hope this video will be fruitful for mathematics teachers.
Thank you
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Please watch: "If ?^?.?^?=(?^? )^?, show that ?/?+?/?=??−?."
https://www.youtube.com/watch?v=rZcUcisuYSc
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#MathswithArjun #GeoGebra #Graph
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https://www.youtube.com/watch?v=xPjonm2l3_4