20 the onea of a trapesium is 352cm?
and the distance between its Parallel
sides is 16cm if one of the parallel
side is of length 25cm find the length
of the other side.
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refer to the attachment....
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the area of a trapesium=sumofparallelsides×heigh/2 =352cm
let the unknown sides be x
352=(25+x)×16/2
352/8=25+x
44=25+x
44-25=x
19=x
the length of other parallel side is 19 cm......
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