Mathematics · Geometry
The diameter AB and chord CD of a circle meet at an external point P when extended. PT is a tangent to the circle at point T. If CD = 7.8 cm, PD = 5 cm, and PB = 4 cm, find the length of AB.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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Correct answer
12 cm
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