Question

In the given figure, two straight lines AB and CD intersect at a point O.
If AOC = 42°, find the measure of each of the angles :
i) AOD
ii) BOD
iii) COB​

Answer 1

Answer:

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Answer 2

AOC + COD + BOD = 180° (Linear pair)

(ii). 65° + x° +70° = 180°

135° + x° = 180°

x = 180° - 135°

x = 45°

COD = 45°

(i) AOD = AOC + AOD

AOD = 65° + 45°

AOD = 110°

(iii). COB = COD + BOD

COB = 45° + 70°

COB = 115°

Explanation:

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