CBSE Class 10 Math 2021 All India Paper (Term I)

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Q. No. 46-50 are based on Case Study-II, you have to answer any (4) four questions.
Case Study - II
A farmer has a field in the shape of trapezium, whose map with scale 1cm=20m, is given below :
The field is divided into four parts by joining the opposite vertices.

Based on the above information, answer any four of the following questions :
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Question : 48
Total: 50
If the ratio of the perimeter of AOB to the perimeter of COD would have been 1:4, then
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