Explanation:
y = 60
x= 30
these are the answer s
Answer:
Below in bold.
The triangle ABC is a right triangle as BCD is a tangent.
So m < y = 90 - 30 = 60 degrees
The angle at the centre O = 2*30 = 60 degrees (angle subtended at centre theorem)m < x = 180 - 90 - 60 = 30 degrees
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