area of trapezium is 480 cm², the distance between the 2 parallel sides is 15 cm and one of the parallel side 20 cm. find the other parallel side
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Answered by
3
Answer:
answer
is 2cm....
Step-by-step explanation:
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Answered by
12
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
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