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Q: What is the volume of a cylinder that has a radius of 3cm and a height of 7cm?

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Volume = 0.5*3*3*sin(60)*5 = 19.486 cubic cm rounded to 3 decimal places

what is the perimeter and area of a rectangle 3cm long and 3cm wide

A scalene triangle

That would have to be cubic cm. 216 of them.

The cube is bigger. The sphere is 3 cm across only at its middle, it is smaller everywhere else; whereas the cube is 3 cm across throughout.

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V = 424.115 cm3

A cylinder with a 7cm radius and 3cm height has a total surface area of about 439.82cm2

Volume of a cylinder = pi*radius2*height

pi x radius x radius x height = cylinder volume. 3.1416 x 2.5cm2 x height = 58.9cm3, height = 58.9cm3 / (3.1416 x 2.5cm x 2.5cm) = 3cm

V = 9.42478 cm3

If you mean the volume of a cylinder then it is:- Volume = pi*32*15 = 424.115 cubic cm to 3 decimal places

The surface area is 226.2cm2

A cone with a base radius of 3 cm and a height of 8 cm has a volume of 75.4 cubic cm.

If the radius of each tennis ball is 3cm, then the diameter of each ball would be 6 centimeters. And since there are 3 balls, the height of the cylinder would be 18 centimeters.

Total SA = 245.04 cm2

The volume of a cylinder is V=PI*r2*h The radius of the cylinder is 3 cm and the height would be 1cm So V = PI*(3cm)2*(1cm) V is approx. 28.3 cm3

I would say that the liquid rises by 1.77cm... This can be obtained as follows given that cylinder of radius(r)=2cm, height(h)=4cm is submerged in another cylinder, determining the volume of the cylinder being submerged =16*pi. When this cylinder is placed in another cylinder the liquid will rise by an amount which equals the volume of the cylinder being inserted.(By Archimedes principle). Using this 16*pi, determine the height using radius= 3cm , we get h=1.77cm

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