Question

The dimensions of a courtyard were measured with a metere stick and hence it area was found to be 400th sq m. Later one it was detected that the length of the metere stick actually 90 cm​

Answer 1

Answer:

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Answer 2

Answer:

If you want the measure of a side then it is below

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side of the courtyard=underroot 400=20 m. with wrong scale.

20 m.=20 times the scale was used

90 cm=0.9 m.

20×0.9=3.6 metre

side of the courtyard=3.6 metre