allisonisafox
allisonisafox allisonisafox
  • 25-02-2018
  • Mathematics
contestada

what is the area in square centimeters of the trapezoid 8.6cm,6.4 cm,and 12.9cm

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sqdancefan
sqdancefan sqdancefan
  • 25-02-2018
As you know, the formula for the area of a trapezoid is
.. A = (1/2)(b1 +b2)*h
.. = (1/2)(8.6 cm +12.9 cm)*(6.4 cm) . . . . . fill in the given numbers
.. = 68.8 cm^2 . . . . . . . . . . . . . . . . . . . . . . .do the arithmetic
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