4 years ago

How would you solve for x ?

Mathematics

1 answer:

Grace [21]4 years ago

6 0

Answer: 128 degrees

Explanation:

Using the interior angles formula, 180(n-2), where n is the number of sides, we can determine that the interior angles must add up to 180(3) or 540. Therefore, 98+104+120+90+x=540

Simplify:

412+x=540

x=128

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