Question 1 Report
30o
40o
45o
15o
Answer Details
In the diagram above, < CDE = < CED = 15o(base < s of isos. △)< ECD = 180o - (15 + 15)o= 180o - 30o = 150oBut x + 110o = 150o(Sum of opp. interior < s of a△ = opp. exterior < )x = 150o - 110o = 40o
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