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nikitadnepr [17]
3 years ago
8

Find x. Assume that segments that appear tangent are tangent.

Mathematics
1 answer:
Studentka2010 [4]3 years ago
8 0

Answer:

x=40\ units

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

segment BC is a tangent to the circle at point B  ---> given problem

AB is a radius of the circle

The tangent BC is perpendicular to the radius AB

Remember that

According to the <u><em>Perpendicular Tangent Theorem</em></u>, tangent lines are always perpendicular to a circle's radius at the point of intersection

so

The triangle ABC is a right triangle

Applying the Pythagorean Theorem

AC^2=AB^2+BC^2

substitute the given values

41^2=9^2+x^2

solve for x

1,681=81+x^2

x^2=1,681-81

x=40\ units

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