2. Evaluate the length of other parallel side

The area of the trapezium is 84 \(cm²\) and the length of the one of the parallel sides \(a\) is 19 \(cm\), and its height \(h\) is 6 \(cm\). Find the length of another parallel side.

 

 

Answer: The length of the other parallel side \(b\) is  \(cm\).