Question

4. Find the area of curved surface if curcumference of base of cylindrical tank is 176 cm?
and height is 30 cm.
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Answer 1

Step-by-step explanation:

Hope this helps u..........................

Answer 2

CSA of cylinder = 2πrh

Data:

h = 30cm

r=

2πr = 176

2×22/7×r = 176

44/7×r = 176

r = 176×7/44

r= 4×7 (176/44=4)

r= 28cm

solution:

CSA=2πrh

= 2×22/7×28×30

= 44/7×840

= 44×120. (840/7=120)

= 5280 cm²