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33 votes
33 votes
Please
Please
Please

Please Please Please-example-1
User Toddcscar
by
3.3k points

1 Answer

14 votes
14 votes

Answer:

Explanation:

∠BEF = ∠CFE {Alternate interior angles}

5x - 10 = 4x + 20 {Subtract 4x from both sides}

5x - 4x - 10 = 20

x - 10 = 20 {Add 10 to both sides}

x = 20 +10

x = 30°

User McGarnagle
by
3.0k points