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two segments are interesting outside the circle, choose the correct equation to set up before having to solve for y

two segments are interesting outside the circle, choose the correct equation to set-example-1
User Lidaobing
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7.5k points

1 Answer

4 votes

Option (C)

Given:

Two segments are interesting outside the circle.

The objective is to find the correct equation.

Since the two lines drawn from a point outside the circle passes through two points in a circle, the line is call secant line.

Consider the given figure as,

If two secant line is drawn from a point outside the circle, the equation wil be,


a(a+b)=c(c+d)

Now, substitute the given values in the above formula,


\begin{gathered} 4(4+6)=2(2+y) \\ 4(10)=2(2+y) \end{gathered}

Hence, option (C) is the correct answer.

two segments are interesting outside the circle, choose the correct equation to set-example-1
User Mikael Jumppanen
by
8.8k points

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