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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Anglican High School
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