Question

The distance between two parallel sides of a trapezium of area 441 sq.cm is 18 cm. If one of the sides is 28 cm, find the other side​

Answer 1

Answer:

Step-by-step explanation:

Here length of one parallel side of the trapezium = 28cm let the other side be x cm

Area of trapezium =441 cm square and height of the trapezium = 18cm

As we know area of trapezium =1/2(sum of parallel sides)h

Or 1/2(28+x )18 = 16 {by putting the values}

Or 1/2(504+18x) = 441

Or (252+9x) = 441

Or 252+9x = 441

Or 9x = 441-252

Or 9x = 189

Or x = 189/9

Therefore x= 21

Therefore the length of other side is 21 cm

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Answer 2

Answer:

answer is 21

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