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Solve for x. Assume that lines which appear tangent are tangent.

Solve For X Assume That Lines Which Appear Tangent Are Tangent class=

Sagot :

LammettHashidn

Presumably, x is standing in for the question mark.

The pair of vertical angles (DFE and CFV) shown here both have measure 125°. This angle measure is equal to the average of the measures of the arcs intercepted by the chords CE and DV.

So we have

angle DFE = 1/2 (arc CV + arc DE)

125° = 1/2 (x + 200°)

250° = x + 200°

x = 50°

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