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A quadrilateral has congruent side lengths. 2 opposite angles have measures of 100 degrees. The other 2 opposite angles have measures of 70 degrees and (5 x) degrees. What is the value of x? 14 15 16 17.
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22 votes
22 votes
A quadrilateral has congruent side lengths. 2 opposite angles have measures of 100 degrees. The other 2 opposite angles have measures of 70 degrees and (5 x) degrees. What is the value of x? 14 15 16 17.

User Edtruant
by
3.4k points

2 Answers

18 votes
18 votes
It should be 18 because:
100 x 2 = 200
200 + 70 = 270
360 - 270 = 90
90/5 = 18
So x = 18
User TomKraljevic
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2.8k points
29 votes
29 votes

(A.) 14

Hope this helps!!! <3
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User N Kaushik
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2.9k points
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