The area of a trapezium is 180 cm and its height is 12 cm. If one of the parallel sides
is double the other side, find the two parallel sides.
find the altitude of a trapeziumth
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Answer:
the sides are 10cm and 20cm
Step-by-step explanation:
let ABCD be the trapezium ...AB and CD be the parallel sides=x and AL be the height
Acc. to Q AB is double CD
let AB = x then CD = 2x
Ar. of trapezium = 180 = 1/2(AB+CD)*AL
1/2(x+2x)*12=180
3x*6=180
18x=180
x=10
AB=10cm
CD=20cm
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