A student is trying to remember some formulas from geometry. In what follows, assume A is area, V is volume, and all other variables are lengths. Determine which formulas are dimensionally consistent.  (a) V=πr2h  (b) A=2πr2+2πrh  (c) V=0.5bh  (d) V=πd2  (e) V=πd3/6

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