y0esLaurenDeaniec y0esLaurenDeaniec

28-12-2016
Mathematics

contestada

Line AB is tangent to circle C, AB= 4 inches, and AD = 2 inches. Find the radius of the circle.

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nobillionaireNobley nobillionaireNobley

31-12-2016

Let the radius of the circle be x, then by the tangent-secant theorem
4^2 = 2(x + 2)
16 = 2x + 4
2x = 16 - 4 = 12
x = 12/2 = 6

Therefore, the radius of the circle is 6 inches.

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Livnmadi Livnmadi

29-03-2021

Answer:

6

Step-by-step explanation:

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