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not entirely sure about part (c)! but anything you are unclear can ask me :)
Date Posted:
4 years ago
Part c looks ok.
To be fair, once angle BAC is found (which is actually asked in the first part), and using the fact that there is a symmetry involved with the two tangents, we can conclude that triangle BAC is isosceles, and from there we can easily obtain angle ACD.
To be fair, once angle BAC is found (which is actually asked in the first part), and using the fact that there is a symmetry involved with the two tangents, we can conclude that triangle BAC is isosceles, and from there we can easily obtain angle ACD.
Thank you so much