
<u>Ratio of two angles are 6:13.</u>
So, let the one angle be
and another be 
As we know that,
Sum of all interior angles of a quadrilateral = 
So let's sum up the given angles,






Hence, 
So, First angle

Second angle

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Answer:
Step-by-step explanation:
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if a z-score is equal to +1, it is 1 standard deviation above the mean.
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2.4
Step-by-step explanation:
The answer is in the picture! I hope this helps!