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Find the value of x.
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Find the value of x.

Find the value of x.-example-1
User SuMi
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2 Answers

3 votes

Answer:

the answer for this question is 66 ie c option .now how you will thank me?

User Sigal
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3.5k points
4 votes

Answer:

C

Explanation:

The sum of the angles is 360; n represents number of sides

S = (n - 2) x 180

S = (4-2) x 180

S = 2 x 180

S = 360

Setup the equation and simplify

2x + 10 + x - 20 + x + 40 + x = 360

5x +30 = 360

5x +30 - 30 = 360 - 30

5x = 330

5x/5 = 330/5

x = 66

User Gean
by
3.9k points
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