Mathematics · Geometry
Two circles with centres O and O′, with radii 6 cm and 8 cm, respectively, intersect at two points A and B. If OA is a tangent to the circle with centre O′ and O′A is a tangent to the circle with centre O, what is the length of the common chord AB?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 19.60 cm✓
- 211.44 cm
- 314.23 cm
- 413.55 cm
Correct answer
9.60 cm
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