The area of a trapezium shaped field is 480m, the distance between two parallel sides is 15m and one of the parallel side is 20m. find the other parallel side.
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Answered by
455
Area of a trapezium : (sum of parallel sides/2)*height
let other parallel sides be x
so we get,
480 = ({20+x}/2)*15
480/15 ={20+x}/2
(480*2) / 15=20+x
(960/15)-20=x
64-20=x
44=x
other parallel sides =44m
let other parallel sides be x
so we get,
480 = ({20+x}/2)*15
480/15 ={20+x}/2
(480*2) / 15=20+x
(960/15)-20=x
64-20=x
44=x
other parallel sides =44m
Answered by
163
480 = ({20+x}/2)*15
480/15 ={20+x}/2
(480*2) / 15=20+x
(960/15)-20=x
64-20=x
44=x
other parallel sides =44m
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