The curved surface area of a cylinder having r = x cm, h = y cm is ……… an
A. 2πr (x + y)
B. πx2y
C. πxy
D. 2πxy
Answer:D
The curved surface area of a cylinder having r = x cm, h = y cm is ……… an
A. 2πr (x + y) B. πx2y C. πxy D. 2πxy