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3 years ago

What is the value of x?

Mathematics

1 answer:

rewona [7]3 years ago

6 0

Answer:

x = 80

Step-by-step explanation:

The sum of the angles of a triangle is 180 degrees

70+30+x = 180

100+x = 180

Subtract 100 from each side

100+x-100 = 180-100

x = 80

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