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Different Types of Triangles

With six different types of triangles, remembering their names is an effort. The triangles are sorted by attribute - either by lines or angles. Use the pnemonic bellow to help remember the differnt names.

The different types of triangles are grouped by either their angles, lines or both. For example and equilateral triangle is a triangle whose SIDES are equal. A right triangle has one angle that is 90 degrees, also known as a right angle. An Isosceles triangle is a triangle which has two sides equal in length. But you can also have a Right Isosceles triangle. This is a triangle which has two sides equal in length, but also contains a right angle! To learn more about each triangle, simply click on its image bellow.

triangles pnemonic

equilateral triangle
Equilateral
scalene triangle
Scalene
Isosceles triangles
Isosceles
right triangle
Right
obtuse triangle
Obtuse/Oblique
acute triangle
Acute/Oblique


Once your student has learned to identify the different triangle types there is much more to be done! They must now understand how to calculate the perimeter or a triangle along with its area. In the right triangle, they must fully understand the theory behing the hypontenuse of a right triangle which includes, of course, the Pythagorean Theorem. Along with knowing the construction of the triangle, they must also understand differnt methods of constructing the median of a triangle, along with bisecting lines and angles!

And then, when all the information is absorbed, the must develop the strategic skills to solving triangles when mixed with other shapes! The only way to develop this skill is to practice, practice! You can download one triangle worksheet, or all our printable triangle worksheets here. They are completely free, and available 24 hours a day!

If you find this information useful, or have any comments or suggestions on how I can make this information better - please contact me. I love to hear from my readers!


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