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Ronald Hui Tak Sun Secondary School

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1 Ronald Hui Tak Sun Secondary School
HKDSE Mathematics Ronald Hui Tak Sun Secondary School

2 Missing Homework SHW1-01 SHW1-A1 SHW1-B1 Summer Holiday Homework
Well done! Good job! SHW1-A1 10 Sep (yesterday) SHW1-B1 14 Sep (Monday) Summer Holiday Homework 25 Sep (Fri) Ronald HUI 8 September 2015

3 Ronald HUI 4 September 2015

4 Ronald HUI 4 September 2015

5  at centre twice  at ce
Follow-up question s at a pt. Find x in the figure. AOB = 360 – 210 = 150 210 P O  at centre twice  at ce x A 150° B = 75

6 Follow-up question Find x in the figure. ÐACB = 90
Ð in semi-circle C ÐACB = 90 Ð sum of △ 30 B x O x = 180 - ÐACB - ABC A = 180 - 90 - 30 = 60

7 Follow-up question Find ÐPQB in the figure. ÐAQB = 60 ÐAQP = 40
Ðs in the same segment P ÐAQB = 60 Ðs in the same segment 60 ÐAQP = 40 Q ÐPQB = ÐAQB + ÐAQP 40 = 60 + 40 A B = 100

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20 Chapter 1 Work harder please!!! Ronald HUI 8 September 2015


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