please help. geometry.

Algebra
Tutor: None Selected Time limit: 1 Day

Dec 5th, 2014

1. <AFC and <EFD are vertical angles

2. <BAD and <BDA are complementary angles

3. <ECB and <ECD is a linear pair

4.   x+2 = 2x - 6

      x = 8

     m<RPT = 2(x+2) = 2(8+2) = 2(10) = 20

 5. a linear pair consists of 2 adjacent angles who's uncommon sides form a straight line.

 6. her error is the original equation 4x+2x = 180,  it should be 4x+2x = 90

      therefore  6x = 90

                        x = 15

Dec 5th, 2014

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Dec 5th, 2014
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Dec 5th, 2014
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