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Study the following diagram, where points C and D lie on circle A.
Point B lies in the exterior of circle A.
Angle ACB and angle ADB are right angles.

The diagram as described in the problem, where segment B C equals negative 2 x plus 85 and segment B D equals 5 x minus 48.

What is the length of BC¯¯¯¯¯¯¯¯?
Enter the correct value.

Study the following diagram where points C and D lie on circle A Point B lies in the exterior of circle A Angle ACB and angle ADB are right angles The diagram a class=

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ronhagrid310

Answer:

Triangle ACB = Triangle ADB

=> BC = BD

=> -2x+85 = 5x - 48

=> x = 133/7 = 19

=> BC = -2 x 19 + 85 = 47

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