Angle notation and problem solving

Maths

Equilateral triangles tesselate with each other.

ABC is a triangle. Angle ABC is 90 degrees. Angle BAC is 23 degrees. Angle CAB is...

ABC is a triangle. Angle ABC is 90 degrees. Angle BAC is 23 degrees. Angle CBA is...

ABC is a triangle. Angle ABC is 90 degrees. Angle BAC is 23 degrees. Angle ACB is...

The exterior angles of a hexagon sum to 540 degrees.

A triangle ALWAYS has each exterior angle as 60 degrees.

The general formula for working out the mean exterior angle of an n-sided polygon is...

The calculation to work out the sum of the interior angles for an octagon would be...

Sum of the total exterior angles of a polygon

Sum of the total interior angles of a polygon

180n - 360 is a generalisation that tells us the...