the tangent AB and the secant BCD are drawn to a circle for at the same exterior point B. if the line of the tangent is 8 inches and the external segment of the secant is 4 inches then what is the length of the secant
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Answer:
12 inches
Step-by-step explanation:
formula.
AB² = BC ( BC+ BD)
8² = 4 (4 + 4 +CD)
CD = 8
BCD = BC + CD = 4+8 = 12
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