Answer:
A z-score equal to 0 represents an element equal to the mean. ... A z-score equal to -1 represents an element that is 1 standard deviation less than the mean; a z-score equal to -2, 2 standard deviations less than the mean; etc.
z=60 degrees
Explanation:
Both triangles are similar which means their angles are the same but their sides/ legs aren't.
65+55=120
180-120=60
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