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(a) In the figure given, 0 is the centre of the circle. ZDAE = 70°, Find giving suitable reasons the
measure of:
(1)angle BCD
(ii) Angle BOD
(iii) angle OBD
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Answer:
Construct an angle of 60° = angle PQR with compass and ruler. Bisect angle PQR, by a bisector QS. Note down the measures of two angles
1. Angle PQS = ?
2. Angle SQR = ?
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