Category Archives: Year 9


Angles is the figure formed by two rays/lines, called the sides of the angle, sharing a common endpoint, called the vertex of the angle

Types of angles
There are six type of angles which are
– Whole turn, 360º
– Straight line, 180º
– Right angles, 90º
– Acute angles, less than 90º (<90º)
– Obtuse angles, between 90º and 180º (90º < x < 180º)
– Reflex angles, more than 180º (>180º)