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Find the value of x. Show your work with proper statements and notations. D ∈ AC

Find the value of x. Show your work with proper statements and notations. D ∈ AC-example-1

1 Answer

5 votes

Answer:

x=25°

Explanation:

Using the "Z rule," m∠DCB has the same value with m∠EAD so they are both x.

Look at D, the other side should be 130° since it'll be 180 when you add 130 and 50.

in our triangle DBC we have 130° and 2x. So 2x = 50 and x=25