Respuesta :

Answer:

  a. 693²

  b. 148.2 yd²

Step-by-step explanation:

The area of a parallelogram is the product of its base length and the height measured perpendicular to that base.

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a.

  A = bh = (21 m)(33 m) = 693 m²

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b.

  A = bh = (19 yd)(7.8 yd) = 148.2 yd²