Question: Please can the question be solved without using a calculator? d. P, Q, R and S are four vertices of a regular polygon. Each exterior

Please can the question be solved without using a calculator?

d. P, Q, R and S are four vertices of a regular polygon. Each exterior angle i518\". Work out the total number of sides of the polygon. 2 marks b. Given below is a circle with centre C. A, B, D and E are points on the circumference. ED is a diameter of the circle. Find angle EDA. Clearly show all your workings. 2 marks c. Given below a circle with centre C. A, E and D are points in the circumference. AB and BD are tangent to the circle. LABD = 420. Find the size of angle AED. Show your workings and justify your answers with proper reasoning. 2 marks Question 8: [8 marks] a. Given below is a circle with centre C and point A, B and D on the circumference. Find angle ABC from the figure below: 2 marks 1260 3:30 B

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