1. Without using a calculator, determine the following in terms of sin36:
    15 May 2018 10:50
  2. In the diagram, B, E and D are pints in the same horizontal plane. AB and CD are vertical poles. Steel cables AE and CE anchor the poles at E. Another steel cable connects A and C. CE = 8.6 m, BE = 10 m, ∠AEB = 40°, ∠AEC = 70° and ∠CED = 27° Diagram Calculate the:
    15 May 2018 10:56
  3. In the diagram, PQRS is a cyclic quadrilateral. ST is a tangent to the circle at S and chord SR is produced to V. PQ = QR, ∠S1 = 42° and ∠S2 = 108°. Diagram Determine with reasons, the size of the following angles
    15 May 2018 11:04
  4. In the diagram, PQRS is a quadrilateral with diagonals PR and QS drawn. W is a point on PS. WT is parallel to PQ with T on QS. WV is parallel to PR with V on RS. TV is drawn. PW:WS = 3:2 Diagram Give reasons for ALL statements and calculations
    15 May 2018 11:38
  5. In the diagram, O is the centre of the circle and P is a point on the circumference of the circle. Arc AB subtends ∠AOB at the centre of the circle and ∠APB at the circumference of the circle.

    Diagram

    Use the diagram to prove the theorem that states that ∠AOB = 2∠APB
    15 May 2018 11:46
  6. In the diagram, LK is a diameter of the circle with centre P. RNS is a tangent to the circle at N. T is a point on NK and TP ⊥ KL. ∠PLN = x. Diagram
    15 May 2018 11:51
  7. Decide if the sequence -5; -1; 3;...is arithmetic or geometric and then determine
    03 Mar 2018 14:14
  8. The 4th term of a geometric sequence is 48 and the 7th term is 984. Determine the first term and the common ratio.
    04 Mar 2018 11:53
  9. The 11th term of an arithmetic sequence is 32 and the sum of the first 11 terms is 187. Calculate the 21st term of the sequence.
    04 Mar 2018 11:54
  10. In a particular sequence, the 1st term is 32 and the 4th term is -12
    04 Mar 2018 11:58
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