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BigorU [14]
3 years ago
7

The diameter of a circle is 19 inches. If the diameter is extended 5 inches beyond the circle to point C, how long is the tangen

t segment from point C to the circle? Use the figure below to help guide your response. Explain your answer and show all work.

Mathematics
2 answers:
Anna [14]3 years ago
6 0
The tangent segment from point C is 5 inches from the circle
zysi [14]3 years ago
6 0

Answer:

Exact Length = 2*sqrt(30)

Approximate Length = 10.95445

======================================================

Work Shown:

(tangent)^2 = (external secant)*(whole secant)

(CD)^2 = (CB)*(CA)

(CD)^2 = (CB)*(CB+BA)

x^2 = 5*(5+19)

x^2 = 120

x = sqrt(120)

x = sqrt(4*30)

x = sqrt(4)*sqrt(30)

x = 2*sqrt(30)  .......... exact length

x = 10.95445 ............. approximate length

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2 years ago
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Answer:

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Step-by-step explanation:

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4 years ago
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saveliy_v [14]

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3 years ago
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bonufazy [111]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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