1.

The area of a trapezium with equal non- parallel sides is\[\text{168 }{{\text{m}}^{\text{2}}}\]. If the lengths of the parallel sides are 36 m and 20 m, find the length of the non-parallel sides.

A.  8m                             
B.  10m   
C.         15m   
D.         4m
Answer» C.         15m   


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