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The radius is in the question 1cm

the volume is pi * R^2 * H = pi *1 ^ 1 * 5 = 5 * pi

surface area pi * 2 * R * 5 + 2 * ( pi * r ^2) = 10 * pi + 2 * pi = 12 * pi

Q: What is the radius of a cylinder with a radius of 1cm and a height of 5cm?

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The volume of cylinder with radius 5cm and height 10 cm is: 785.4 cm3

Volume of cylinder= pi x (radius)2 x height = 3.14 x (2)2 x 5 =62.8 cubic cm

62.8 (pi times radius squared times height (3.14* 2 squared=12.56 then 12.56 times 5= 62.8)

Volume of cylinder: pi*25*9 = 706.858 cubic cm rounded to 3 decimal places

volume = p*radius2*height make the radius the subject of the formula: radius = the square root of (volume/pi*height) radius = the square root of (2826/pi*36) radius = 4.998732446cm So the radius is 5cm to the nearest cm.

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V = 392.7 cm3

The volume of cylinder with radius 5cm and height 10 cm is: 785.4 cm3

430

76.027 cubic cm

20 pie cm^3

Volume of cylinder= pi x (radius)2 x height = 3.14 x (2)2 x 5 =62.8 cubic cm

62.8 (pi times radius squared times height (3.14* 2 squared=12.56 then 12.56 times 5= 62.8)

Volume of cylinder: pi*25*9 = 706.858 cubic cm rounded to 3 decimal places

volume = p*radius2*height make the radius the subject of the formula: radius = the square root of (volume/pi*height) radius = the square root of (2826/pi*36) radius = 4.998732446cm So the radius is 5cm to the nearest cm.

Volume = pi*52*6 = 471.239 cubic cm (rounded to 3 dp).

Diameter = 14cm so radius = 7cm. Height = 5cm. Take pi as 22/7 Volume of a cylinder = pi*radius2*height Volume = 22/7*72*5 = 770 cubic cm.

Area of a rectangle= Length * width Length= 5cm Width= 1cm Area=5cm *1cm =5cm2