the area of trapezium is 216m square and its height is 12m.if one of the parallel sides is 14 m less than the other,find the length of two parallel sides
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Answer:
216=1/2×(14+x+x)×12
216×2=(14+2x)×12
432/12=14+2x
36-14= 2x
22 =2x
X = 22/2
X =11
X+14 =11+14 = 25
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