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A wire is in the shape of a rectangle wh...

A wire is in the shape of a rectangle whose sides are in the ratio 7 : 4. It was initially in the shape of a circle of radius , very nearly equal to 31.5 cm. The length of smaller side of the rectangle is : (Take `pi = 22/7`)
एक तार एक आयत के भीतर है जिसकी भुजाएं 7: 4 के अनुपात में हैं।आरम्भ में यह वृत की त्रिज्या के बराबर था, लगभग 31.5 सेमी। आयत की छोटी भुजा की लंबाई कितनी है:

A

44 cm

B

36 cm

C

40 cm

D

32 cm

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