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1 NAME Cambridge IGCSE Mathematics Extended Practice Book Example Practice Paper 2 1 hour 30 minutes PLEASE NOTE. C and D lie on the circle, centre O. The line PCQ is a tangent to the circle at C. Angle AOD = 62°, angle BAC = 42° and angle DCQ = 78°. Find (a) angle ODA.
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- 14.1 Angle properties of the circle Theorem 1 The angle at the centre of a circle is twice the angle at the circumference subtended by the same arc. X° A O B P 2x° 375 SAMPLE Cambridge University Press ¥ Uncorrected Sample Pages ¥ 978-0-521-61252-4.
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