we know that
total of sum of arc is 360
so, sum of both arc must be 360
so, we get

now, we can solve for x

............Answer
I believe the answer is 6
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500 + 30% equals 650. 30% of 500 equals 150.
9514 1404 393
Answer:
∠K = ∠M = 55°
Step-by-step explanation:
The two marked angles are opposite the sides marked as congruent. That means the angles are congruent, so we have ...
4x -1 = 2x +27
2x = 28 . . . . . . . . add 1-2x to both sides
x = 14
4x -1 = 4(14) -1 = 55
The measures of the angles are ...
∠K = ∠M = 55°