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3. Consider the diagram for Parts A and B. А A. The value of x is (2x) D B. The measure of Angle A is BO C С E
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3. Consider the diagram for Parts A and B. А A. The value of x is (2x) D B. The measure of Angle A is BO C С E

3. Consider the diagram for Parts A and B. А A. The value of x is (2x) D B. The measure-example-1
User Andrew Irwin
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We have:


x+2x+90=180\Rightarrow3x+90=180\Rightarrow3x=180-90\Rightarrow3x=90\Rightarrow x=(90)/(3)
x=30

Then, the measure of angle A is A = 2*30 = 60, m

3. Consider the diagram for Parts A and B. А A. The value of x is (2x) D B. The measure-example-1
User Morteza Adi
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