The surface area of hollow cylinder with radius 'r and height 'h' is measured by-

A 2πr-h
B 2πr+h
C πrh
D 2πrh

Correct Answer: 2πrh

ফাঁপা সিলিন্ডারের বক্রতলের ক্ষেত্রফল ভূমির পরিধী × উচ্চতা = 2πr×h = 2πrh
Bissoy MCQ
#গণিত #পরিমিতি (Mensuration) #Probashi Kallyan Bank #প্রবাসী কল্যাণ ব্যাংক-সিনিয়র অফিসার-09-10-2021

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