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Video Matemáticas

Perimeter

"Perimeter is the sum of the sides of a polygon. It is a distance and therefore is a one-dimensional property. The perimeter of a circle is called its circumference, and can be found using the formul ...

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Equipo Didactalia

Hipervinculo Matemáticas

Area Ratios

"If two triangles are similar, then their corresponding sides are proportional. Since sides are a length and lengths are one dimensional, the side ratio will not predict the ratio of the areas. To fin ...

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Equipo Didactalia

Hipervinculo Matemáticas

30 60 90 Triangles

"A 30 60 90 triangle is a special type of right triangle. What is special about 30 60 90 triangles is that the sides of the 30 60 90 triangle always have the same ratio. Therefore, if we are give ...