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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 Alan Ocallaghan
by
8.8k points

1 Answer

5 votes

Answer:

57 degrees

Explanation:

The sum of the interior angles of a quadrilateral add to 360.

123 + 71 +x + 2x -5 = 360 Combine like terms

189 + 3x = 360 Subtract 189 from both sides

3x = 171 Divide both sides by 3

x = 57

User Egis
by
8.4k points
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