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Find the value of X in the following diagram. Here, B and D are points of tangency.
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Find the value of X in the following diagram. Here, B and D are points of tangency.

Find the value of X in the following diagram. Here, B and D are points of tangency-example-1
User Stephen Wright
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Theorem: Tangent segments from the same external point are congruent
So the two expressions you can set equal to each other

3x+10= 7x-6
-3x -3x

10= 4x-6
+6 +6

16= 4x

X=4
User Jason Sperske
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4.5k points
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