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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 Class Demonstration
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