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MATH / In regular pentagon PQRST, X is the midpoint of segment ST. What is the measure of angle XQS, in degrees? [asy] size(101); picture p; pair P = (0,0); pair Q = (-cos(108),sin(108));… · Discussion

Discussing In regular pentagon PQRST, X is the midpoint of segment ST. What is the measure of angle XQS, in degrees? [asy] size(101); picture p; pair P = (0,0); pair Q = (-cos(108),sin(108));… · MATH

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