Triangle Facts:

 Triangle Facts

• The sum of all the internal angles of a triangle is always 180o no matter how the triangle is constructed.

• The length of any side of a triangle is shorter than the sum of the other two sides.

• A triangle can always be split into two right triangles no matter how the triangle is constructed.

• Trigonometry study of maths origins date back to the ancient Egyptians. 

 

Different triangles

Acute triangle

All of the angles are less than 90o.

Obtuse triangle

one of the angles is greater than 90o.

Equilateral triangle

A triangle is called an equilateral triangle when all 3 sides are equal in length. These are normally 60o

Isosceles triangle

A triangle is called an isosceles triangle when two sides are equal in length

Scalene triangle

When all three internal angles are different from one another it is a Scalene Triangle.

Hypotenuse is found by adding a squared and b squared together.