Answer:
Cylinder problem:
28.26 = 3.14(r^2)(9)
28.26 = 28.26(r^2), so r = 1 cm
Trapezoid problem:
Since we have similar trapezoids, the side lengths of WXYZ are each 5 times the side lengths of ABCD.
60/12 = 5, so b = 5 × 10 = 50 inches
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