an isosceles trapezium has two parallel sides 60m and 40m .if the perimeter of this trapezium is 160m , state the length of the other two sides?
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Answer:
Let,
in trap.ABCD
AB= DC (as per question)
perimeter of trap. ABCD = AB +BC+DC+DA
160= AB+DA+2DC. -----( given)
160=60+40 + 2DC
160-100 = 2DC
60 = 2DC
so, DC = 30m
hence, AB=DC= 30m
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