Respuesta :

sqdancefan

Answer:

  • 10.235 in²
  • 225 cm²

Step-by-step explanation:

The area of a triangle is half the product of its base and height.

  A = 1/2bh

a)

  A = 1/2(2.3 in)(8.9 in) = 10.235 in²

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b)

  A = 1/2(15 cm)(30 cm) = 225 cm²

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