12) Find the length of the hypotenuse of an isosceles right triangle if one of the legs is \(13.3\) feet long.
21) The figure below is a regular hexagon (meaning all interior angles and all sides are congruent). The figure has six “central angles” labels angles \(1-6\) and they are all congruent. Find the measures of \(\angle 1 - \angle 6\), \(\beta\) and \(\theta\), and the lengths of \(z\), \(w\), and \(r\).
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