triangles. how many triangles can you count in this picture? are they the same? nota: para cambiar...
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![Page 1: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/1.jpg)
Triangles
![Page 2: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/2.jpg)
How many triangles can you count in this picture?
Are they the same?
![Page 3: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/3.jpg)
A triangle is a closed figure with three sides.
What is it?
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Parts of a triangle
It has three sides and three angles
The three angles always add to 180°
![Page 5: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/5.jpg)
HOW CAN WE CLASSIFY THEM?
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Triangles
Sides
Equilateral
Isosceles
Scalene
Angles
Acute
Right
Obtuse
Can be classified according to their
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Acording to their sides:
a) Equilateral triangle
Three equal sides Three equal angles,
always 60°
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b) Isosceles Triangle Two equal sides Two equal angles
![Page 9: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/9.jpg)
Acording to their sides:
No equal sides No equal angles
c)Scalene Triangle
![Page 10: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/10.jpg)
Acording to their angles:
a) Acute Triangle
All angles are less than 90°
![Page 11: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/11.jpg)
B) Right Triangle
Has a right angle (90°)
![Page 12: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/12.jpg)
Acording to their sides:
C) Obtuse Triangle
Has an angle more than 90
![Page 13: Triangles. How many triangles can you count in this picture? Are they the same? NOTA: Para cambiar las imágenes de esta diapositiva, seleccione una imagen](https://reader038.vdocuments.mx/reader038/viewer/2022103015/5528bde2497959977d8f8bc2/html5/thumbnails/13.jpg)
Haga clic en el icono para agregar una imagen
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Now….. Time to practice