A, B, C and D are points on the circumference of the circle with centre 0
angle BOD = 130°, angle ADO = 28°. Find angle BAD, angle BCD, angle OBD and angle ABO.
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Form 3 Mathematics Angle Properties of a Circle Questions and Answers
In the figure below, O is the centre of the circle. A, B, C and D are points on the circumference of the circle. Line AB is parallel to line DC and angle ADC=550.
figcircle17420201127.JPG
Determine the size of angle
ACB.
(2m 9s)
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