Mathematics · Geometry
In a circle, PA and PB are tangents drawn from an external point P, while CD is a diameter passing through P. If PA = x2 - 13 cm, PB = x + 7 cm, and PC = 9 cm, find the radius of the circle.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.5 cm
- 25 cm
- 37 cm
- 43.5 cm✓
Correct answer
3.5 cm
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