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uranmaximum [27]
3 years ago
7

Line L is tangent to a circle whose center is at (3,2). If the point of tangency is (6,6) what is the slope of line L?

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
4 0

Answer:

Slope of the line L will be -\frac{3}{4}

Step-by-step explanation:

We will use the theorem that tangent to a circle is always perpendicular to the radius joining center of the circle and point of tangency.

Let m_{1} is the slope of line joining center of the circle (3, 2) and point of tangency (6, 6).

And m_{2} is the slope of line L.

Then by the fact given above m_{1}\times m_{2}=-1-----(1)

Now m_{1}=\frac{y-y'}{x-x'}

m_{1}=\frac{6-2}{6-3}

m_{1}=\frac{4}{3}

Now from the equation 1

\frac{4}{3}\times m_{2}=-1

m_{2}=-\frac{3}{4}

Therefore, slope of the line L will be -\frac{3}{4}

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