Math, asked by Ashketchum12, 1 year ago

the volume of a cylinder is 448 Pi centimetre cube and height 7 cm find its lateral surface area and total surface area

Answers

Answered by tinu21
15
Volume = πr^2 h 
Curved surface area= 2πrh 
Total surface area= 2πrh+2πr^2 

πr^2*7=448 π 
r^2=64 
r=8 
Curved surface area= 2π*8*7= 112 π sq cm 
Total surface area= 2 π*8(8+7)= 240 π sq cm



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