ShereeriTorgrialau ShereeriTorgrialau

08-11-2016
Mathematics

contestada

Help please! what is it i'm actually supposed to do??

The figure consists of a tangent and a secant to the circle.

A. 9.2

B. 7.7

C. 14.3

D. 85

Respuesta :

alsteva alsteva

12-11-2016

Use formula in the picture below.

[tex]x^2=5(5+12) \\x^2=85 \\x=\sqrt{85} \\x \approx 9.2[/tex]

Ver imagen alsteva

Ver imagen alsteva

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good job