A hockey field is 91 metres 40 cm long and 55 metres wide.
How long(in cm) is the boundary of the field?

29280

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14640

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9140

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5500

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Solution

The correct option is A 29280
We know that the length of field = 91 m 40 cm
We also know that 1 m = 100 cm
It can be written as = 9100 + 40
= 9140 cm
Width of the field = 55 m = 55 x 100 = 5500 cm
Boundary = length + width + length + width
= 9140 + 5500 + 9140 + 5500
= 29280 cm

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