Question

Four times the area of curved surface of a cylinder equals to 6 times the sum of its area of two bases. If it's height is 12 cm find the curved surface area​

Answer 1

Answer:

curved surface area of a cylinder=(2*pi*r)*h

area of two bases=(pi*r^2+pi*r^2)=2*pi*r^2

According to the given data

4(2*pi*r*h)=2(pi*r^2)

by solving this

r=12h/8 {Since given h=12cm)

r=8cm

therefore

curved surface area=2*pi*8*12

                              =192*pi

Step-by-step explanation:

Answer 2

Step-by-step explanation:

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