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An isosceles trapezoid has a perimeter of 40.9 feet. Its shorter base measures 3.5 feet and its longer base measures 4.4 feet. The two remaining sides have the same length; what is that length?

Respuesta :

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16.5
P= a + b + c + d 
40.9 = 3.5 + 4.4
40.9 = 7.9
-7.9    -7.9
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40.9-7.9=33 and since its calculating two equal sides, 33/2 = 16.5

Answer:

16.5 feet is the amount of the length