Topic Content:
- Triangles
- Quadrilaterals
- Rectangle
- Square
- Trapezium
- Rhombus
- Parallelogram
- Circle
Triangles:
The triangle is shape that is formed by 3 straight lines that are called sides.
There are different ways of classifying triangles according to their sides or angles.
Triangles According to their Angles:
1. Right Angle: The largest of the 3 angles is a right angle
2. Acute Angle: The largest of the 3 angles is an acute angle (less than 90 degrees).
In the example below the largest angle is 70º which is less than 90º
3. Obtuse Angle: The largest of the 3 angles is an obtuse angle (greater than 90º).
In the example below the largest angle is 135º which is greater than 90º
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