LoveOhghost LoveOhghost

20-12-2017
Mathematics

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In the figure below, AC is tangent to circle B. BA is a radius of circle B and A is a point of tangency. If AB is equal to 85 and AC is equal to 110, what is the approximate measure of segment BC?

a.138
b.137
c. 136
d.139

Please help me...

In the figure below AC is tangent to circle B BA is a radius of circle B and A is a point of tangency If AB is equal to 85 and AC is equal to 110 what is the ap class=

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SvetlanaM SvetlanaM

20-12-2017

BC² = AB² + AC²
BC = √(AB² + AC²) = √(85² + 110²) = √(7225 + 12100) = √19325 ≈ 139
Answer: d. 139.

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