Triangles - Equilateral, Isosceles and Scalene ...
Note: Did you know that there are different kinds of
In this lesson, you'll find out what makes a triangle an
In an equiangular triangle, all the angles are equal—each one measures 60
degrees. An equiangular triangle is a kind of
A triangle has either two or three acute angles, depending on the type of triangle.
In acute-angled triangles, all the internal angles are less than 90 degrees. An
Rules: 1. In any triangle, a + b > c b + c > a a + c > b. 2. In an
Definition and properties of
A triangle in which all three angles are acute angles. A triangle which is neither
acute nor a right triangle (i.e., it has an obtuse angle) is called an
Question from Jane, a teacher: If all sides of a triangle are the same length and
all angles are 60 degrees, can the triangle be called both an