ShereeriTorgrialau ShereeriTorgrialau

08-11-2016
Mathematics

Answered

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

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

A9.2

B7.7

C14.3

D85

Verified Answer :

alsteva alsteva

12-11-2016

Use formula in the picture below.

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

View image alsteva

View image alsteva

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