![]() obtuse or right triangles depending on whether all angles are acute (less than. The isosceles triangle (I can NEVER remember how to spell isosceles) has two sides that are the same length (congruent) and two angles that are the same size (congruent). Triangles are equilateral, isosceles or scalene depending on whether 3. Since the sum of the angles of a triangle is always 180 degrees, we can figure out the measure of the angles of an equilateral triangle: In the equilateral triangle, all the sides are the same length (congruent) and all the angles are the same size (congruent). ![]() and the side opposite of the right angle is called the hypotenuse. The two sides of the triangle that are by the right angle are called the legs. Example shows the exact 1 page PDF you get. Since the sum of the angles of a triangle is always 180 degrees. FREE Classifying Triangles by Angles Acute, Right and Obtuse and by Sides Equilateral, Isosceles, and Scalene, BLANK NOTE TAKING TEMPLATE for Students to sketch the Triangle and write the definition and attributes. acute scalene right obtuse acute obtuse isoscels equilateral scalene obtuse. ![]() The right triangle has one 90 degree angle and two acute (< 90 degree) angles. All triangles have at least two acute angles. Just scroll down or click on what you want and I'll scroll down for you! Video Lecture & Questions for Scalene, isosceles, equilateral, acute, right, and obtuse triangles Video Lecture full syllabus preparation Free video exam. Definitions and formulas for triangles including right triangles, equilateral triangles, isosceles triangles, scalene triangles, obtuse triangles and acute triangles
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