TRIANGLES


 * __TRIANGLES CLASSIFICATION __**
 * ACCORDING TO SIDE MEASURE **

- EQUILATERAL: All sides congruent. - ISÓSCELES: Only 2 congruent sides. - SCALENE: No sides congruent.


 * ACCORDING TO ANGLE MEASURE **

- RIGHT: it has a right angle. - OBTUSE: it has an obtuse angle - ACUTE: All angles are acute

For more information read the following link: [|Triangles - Classification]

<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">1. The interior angles of a triangle always add up 180°. <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">2. The exterior angles of a triangle always add up 360°. <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">3. The measure of an exterior angle is the same as the sum of the measures of the interior no adjacent angles. <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">4. The sum of the lengths of any 2 sides of a triangle must be greater than the third side. <span style="font-family: 'Arial','sans-serif'; font-size: 16px;">5. The largest interior angle and side are opposite each other. The same rule applies to the smallest sized angle and side and the middle sized angle and side <span style="color: #330099; font-family: 'arial','sans-serif'; font-size: 16px;">. <span style="color: #330099; font-family: 'arial','sans-serif'; font-size: 16px;">For more information read the following link: <span style="color: #330099; font-family: 'arial','sans-serif'; font-size: 16px;">[|Triangles - Properties]
 * __<span style="font-family: 'Arial','sans-serif'; font-size: 16px;">TRIANGLES PROPERTIES __**