2 years ago

What is the value of angle v?

Mathematics

1 answer:

Flauer [41]2 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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