
Without using a calculator, determine the following in terms of sin36:
15 May 2018 10:50

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°
Calculate the:
15 May 2018 10:56

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, ∠S_{1} = 42° and ∠S_{2} = 108°.
Determine with reasons, the size of the following angles
15 May 2018 11:04

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
Give reasons for ALL statements and calculations
15 May 2018 11:38

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.
Use the diagram to prove the theorem that states that ∠AOB = 2∠APB
15 May 2018 11:46

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.
15 May 2018 11:51

Decide if the sequence 5; 1; 3;...is arithmetic or geometric and then determine
03 Mar 2018 14:14

The 4^{th} term of a geometric sequence is 48 and the 7^{th} term is 984.
Determine the first term and the common ratio.
04 Mar 2018 11:53

The 11^{th} term of an arithmetic sequence is 32 and the sum of the first 11 terms is 187. Calculate the 21^{st} term of the sequence.
04 Mar 2018 11:54

In a particular sequence, the 1^{st} term is ^{3}⁄_{2} and the 4^{th} term is 12
04 Mar 2018 11:58