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anzhelika [568]
3 years ago
15

What is the value of angle v?

Mathematics
1 answer:
Flauer [41]3 years ago
7 0

Answer:

x = 5

Step-by-step explanation:

a) The third interior angle of this triangle is 180 - 20 x.  

The three interior angles must sum up to 180 degrees.

Therefore,  60 + 7x + 5 + 180 - 20x = 180, or

                       65  + 180 - 13x = 180, or

                               65 -  13x     = 0

Finally, 13x = 65, and so x = 5

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I hope this was helpful

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