the area of trapezium is 405cm2its parallel sides are in the ratio 4:5and the distance between them is 18cm find the length of each of the parallel side
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Answer: 20 cm, 25 cm
Step-by-step explanation:
Area of trapezium = 1/2 * (sum of parallel sides) * distance beween them
405 = 1/2 * (4x + 5x) * 18
405*2/18 = 9x
405/9*9 = x
x = 5
length of parallel sides = 4x , 5x = 20 cm , 25 cm
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