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SteveA triangle ruler is called a 'set square. '
These are triangular-shaped and sometimes have a cut-out center on it
What is a triangle with a 90 degrees called?
a right triangle
What is the sum of side lengths of a triangle?
That number is called the "perimeter" of the triangle.
What is another name for a equilateral triangle?
An equilateral triangle can also be called a "regular" triangle
What are the classification of triangle according to sides and angles?
Classification of Triangles According to anglesIf one angle of a triangle is a right angle (90°), then it is called a Right triangle. Note that the other two angles are acute.If all the angles of a triangle are acute (less than 90°), then it is called an acute angled triangle.If one angle of a triangle is obtuse (greater than 90°), then it is called an obtuse triangle. Note that the other two angles are acute.According to sides:If any two sides of a triangle are equal, then it is called an Isosceles Triangle. In ABC, AB = AC ABC is isosceles.If all the three sides of a triangle are equal, then it is an Equilateral Triangle. In ABC, AB = BC = CA ABC is equilateral.If no two sides of a triangle are equal, then it is called a Scalene Triangle. In ABC, AB BC CA. ABC is scalene.
A Triangle that has 2 sides of equal length?
A triangle with two equal sides and two equal angles is called an isosceles triangle.
