Mathematics · Geometry
AB is a diameter of a circle with centre O. CB is a tangent to the circle at B. AC intersects the circle at G. If the radius of the circle is 8 cm and AG = 12 cm, then find the ratio BC : GC.
- 1√7 : 4
- 23 : √7
- 34 : √7✓
- 4√7 : 3
Correct answer
4 : √7
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