WEEK 2

PLANE SHAPE

Pupils should be able to

(i) Identify parallel and perpendicular lines

 (a) label the diagrams below

appropriately

Triangle Properties

The properties of the triangle are:

The sum of all the angles of a triangle(of all types) is equal to 1800.

The sum of the length of the two sides of a triangle is greater than the length of the third side.

In the same way, the difference between the two sides of a triangle is less than the length of the third side.

The side opposite the greater angle is the longest side of all three sides of a triangle.

The exterior angle of a triangle is always equal to the sum of the interior opposite angles. This property of a triangle is called an exterior angle property