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A trapezoid has an area of 152.1 square kilometers. One base is 13 kilometers long. The height measures 18 kilometers. What is the length of the other base?

 Mar 4, 2021
 #1
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(13 + x)/2 *18 = 152.1

 

x = 3.9

 

So, the other base is 3.9 km long. 

 Mar 4, 2021

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