# NCM 2nd CE 4B10b e.doc - New Century Mathematics Second...

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OBCA68bDNew Century Mathematics (Second Edition) 4B10 Basic Properties of CirclesConsolidation Exercise 10B[In this exercise, unless otherwise stated, O is the centre of a circle.]Level 1Find the unknowns in the following figures.[Nos. 1–18]1.2.3.4.5.6.7.8.9.© Oxford University Press 2014Consolidation Exercise 4B10OBCA80xOABCy65OABCz260OABa110COBCA70xOBCAyDE66OABC60aOABC4bb10.9
10.11.12.© Oxford University Press 2014Consolidation Exercise 4B10OABCyD140OABC20cOABC24x32D10.10
ABC3565ABC10050DABC100140O13.14.15.16.17.18.19.In each of the following figures, determine whetherACis a diameter of the circle. Explainyour answer.(a)(b)20.In the figure,AOC= 100andBOC= 140

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Term
Spring
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Tags
University of Oxford, Initialisms, following figures