A-LevelMathematicsCircular measureOct/Nov 2011Paper 1 Q68 Marks
The diagram shows a circle C₁ touching a circle C₂ at a point X. Circle C₁ has centre A and radius 6 cm, and circle C₂ has centre B and radius 10 cm. Points D and E lie on C₁ and C₂ respectively and DE is parallel to AB. Angle DAX = ¹/₃π radians and angle EBX = θ radians.
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