Respuesta :

sqdancefan
The area of a parallelogram is given by the formula
  A = bh
where b is the base length, and h is the height.

Fill in the given information and solve for b.
  240 cm² = b × 20 cm
  (240 cm²)/(20 cm) = b = 12 cm

The appropriate choice is
  D. 12 cm

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