To find the perimeter of a trapezium, you need to add up the lengths of all its sides.
Given that the trapezium has two parallel sides of lengths 9cm and 5cm, and the other two sides are not specified but they would be different, we cannot accurately calculate the perimeter without knowing the lengths of those two sides.
However, we can find the minimum and maximum possible values for the perimeter:
Minimum perimeter = 9 + 5 + 9 + 5 = 28cm
Maximum perimeter = 9 + 5 + 9 + 5 + 4 + 8 = 40cm
Therefore, the perimeter of the trapezium must be between 28cm and 40cm, depending on the length of the other two sides.
perimeter of the trapezium of 9cm and 5cm
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