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Sides AC and BC of triangle ABC are extended as shown. The measures of ∠ACB and ∠ACE are (x+11) and (3x+5), respectively. Find the measure of ∠DCB. Find the measure of ∠ECD.

Sides AC and BC of triangle ABC are extended as shown The measures of ACB and ACE are x11 and 3x5 respectively Find the measure of DCB Find the measure of ECD class=

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angle DCB 123 degrees
angle ECD 52 degrees

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