Скачать или смотреть Rotation About a fixed Point | grade 8 Cambridge | New Secondary Mathematics Book 3

RahberMath4U

In this video, we explain Rotation About a Fixed Point, a key topic from New Secondary Mathematics Book 3 (Grade 8 Cambridge).

You will learn:
✔ What rotation is
✔ Centre of rotation
✔ Angle and direction of rotation (clockwise & anticlockwise)
✔ How to rotate shapes step by step
✔ Common exam tips and mistakes

This lesson is perfect for Grade 8 Cambridge students, teachers, and anyone preparing for exams.

Rotation is a type of transformation that turns a shape around a fixed point. This fixed point is called the Centre of rotation. During a rotation, the shape does not change its size or shape, only its position and orientation.

A rotation is described by:

the Centre of rotation

the angle of rotation (such as 90°, 180°, or 270°)

the direction of rotation (clockwise or anticlockwise)

When a shape is rotated, every point of the shape moves through the same angle and stays the same distance from the center of rotation. For example, a rotation of 90° anticlockwise turns the shape a quarter turn to the left around the fixed point.

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