數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2018-19 Paper 1

數學試卷答案 – St. Stephen’s Girls’ College Form 1 Math Final Exam 2018-19 Paper 1

數學試卷 答案

1. a) 108°
   b) i) 48
   ii) 27
2. a) a = 2, b = 0
   b) i) 25%
   ii) 40%
   iii) Do not agree
3. a) 39x
   b) 312
4. a) No. of pages in the Chinese book = 2x + 30
   No. of pages in the Maths book = 14x + 180
   b) No. of pages in the Chinese book = 42
   No. of pages in the Maths book = 264
   No. of pages in the English book = 6
5. a) Yes
   b) i)
   
   ii) 13.5
6. a) and c)
   
   b) 2/3
7. a) and b) i)  iii)
   
   b) ii) A is reflected along the x-axis to T.   or
   A is translated 10 units downwards to T.
8. a) B (-2, 5), D (2, -3)
   b)
   
   c) P lies in quadrant II.
   d) 48
9. a) 12
   b) 4056 cm²
10. a) 48 cm³
    b) 19 cm³
    c) 10 cm³
11. x = 250°, y = 70°
12. y = 15, x = 40°
13. a) 19°
    b) Yes, QS // RT.
14. a) –
    b) ST = 4 cm, QT = 3 cm
    c) –

St. Stephen’s Girls’ College Form 1 Math Final Exam 2018-19 Paper 1 試卷