圣公会中学
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圣公会中学. Anglican High School. Methodology. Class Demonstration. Laboratory Sessions. Task 2:  Heymath!  Sec 3 Additional Maths  circular measure  Example The diagram given below shows part of a circle with center O and radius r cm

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圣公会中学

Anglican High School


Methodology
Methodology

Class Demonstration



Independent learning

Task 2:

 Heymath!  Sec 3 Additional Maths  circular measure  Example

The diagram given below shows part of a circle with center O and radius r cm

1. Write down the relation between arc length PQ, r and POQ

2. From the above relation, calculate the value of r

3. Now consider the arc QR.

Which of the following relations is correct?

Arc length QR  r × QOR

QOR  arc length QR × r

Independent Learning




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