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junior college 2 | H2 Maths
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7i
Date Posted: 7 years ago
Views: 451
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Since point A is on circumference of bigger circle, OA is the radius of the bigger circle. AB is x because its half of the length of the metal sheet (need to make angle ABO =90) so that pythagoras theorem can be used.
Hope this helps!
Hope this helps!
Date Posted:
7 years ago
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