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Answer:
Explanation:
H=90 degrees (chord subtended at 90 degrees)
(5x-2)+(2x+8)+90 degrees =180 degrees (sum of angles of triangle)
(5x-2)+(2x+8)=90 degrees
5x-2+2x+8=90
7x+6=90
7x=84
therefore: x=12 degrees
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