what is all the properties to an equilateral triangle? and to a obtuse triangle?
In google type:
equilateral triangle
When you see list of results click on some site.
wikipedia is good choice.
To understand the properties of an equilateral triangle and an obtuse triangle, let's start by discussing each one individually.
Equilateral Triangle:
1. Equal Sides: An equilateral triangle has all three sides of the same length. This means that the distance between any two vertices (corners) is the same.
2. Equal Angles: Each angle in an equilateral triangle measures 60 degrees. Since the sum of angles in a triangle is always 180 degrees, dividing that by three gives you 60 degrees for each angle.
3. Symmetry: An equilateral triangle has three lines of symmetry. This means that it can be folded along these lines, and all parts of the triangle will perfectly match up.
Obtuse Triangle:
1. One Obtuse Angle: An obtuse triangle has one angle that is greater than 90 degrees. In other words, it has one angle that is "obtuse." The other two angles are acute, meaning they are less than 90 degrees.
2. Unequal Sides: The lengths of the sides in an obtuse triangle are not necessarily equal. In fact, depending on the specific measurements of the angles, the sides can have different lengths.
3. No Lines of Symmetry: Unlike an equilateral triangle, an obtuse triangle does not have any lines of symmetry. Folding it along any line will not create a perfect match.
To determine these properties, you can measure the angles and sides of a given triangle using a protractor and a ruler. By comparing the measurements and applying the properties stated above, you can determine whether a triangle is equilateral or obtuse.