Hashen wants to put up fencing around three of his rectangular yard and leave a side of 20 feet unfenced. If the yard has area of 680 square feet, How many feet of fencing does he need?

A 34
B 40
C 68
D 88

Correct Answer: 88

আয়তাকার yard - এর ক্ষেত্রফল 680 বর্গফুট আয়তাকার yard - এর one side 20 ফুট ∴ yard - এর অন্য side = 68020 = 34 ফুট ∴ আয়তাকার yard - এর 3 side - এ বেড়ার প্রয়োজন হবে (2×34) + 20 = 44 ফুট
Bissoy MCQ
#গণিত #পরিমিতি (Mensuration) #United Commercial Bank Ltd (UCB) #United Commercial Bank Ltd - Probationary Officer - 2016

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