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bonufazy [111]
3 years ago
14

Pls help me i dont get it :(

Mathematics
2 answers:
Murljashka [212]3 years ago
5 0

Answer:

<h2>7.  x = 64</h2><h2>8.  x = 12</h2><h2>9.  x = 12</h2>

Step-by-step explanation:

7. alternate angle or opposite angle are equal

   128 = 2x

    x = 128 / 2

    x = 64

8.  interior angles = 180

    180 = 72 + (7x + 24)

    180 - 72 - 24 = 7x

     x = 84 / 7

     x = 12

9.   same side angle = 180

     180 = 65 + (11x - 17)

     180 - 65 + 17 = 11x

     x = 132 / 11

     x = 12

ValentinkaMS [17]3 years ago
3 0

Answer:

7.alternate interior

x=64

8. same side interior

x=12

same side exterior

x=12

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Given:

In triangle ABC, point D is the centroid, and BD = 6.

To find:

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