The formula for the volume of a cylinder is: V = radius2 x Pi x length. So:
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Total SA = 1,256.6 cm2
The volume V of a cylinder with base of radius r is the product of the area B of a base and the height h of the cylinder. V = Bh, or V = pi x r^2 x h By substituting the given values, r = 4 cm and h = 10 cm, we have: V = pi x 4^2 x 10 V = 160pi Thus, the volume of the cylinder is 160pi cm^3.
To find the volume of a prism, you multiply the area of the base by the height. In this case, the base is a rectangle with dimensions 10cm and 4cm, so the area is 10cm x 4cm = 40cm². The height of the prism is 2cm. Therefore, the volume of the prism is 40cm² x 2cm = 80cm³.
The circumference of a circle with radius of 10cm is: 62.83 cm
The volume of the sphere is proportional to the cube of its radius.Increasing the radius by 5% causes the volume to increase by the factor of (1.05)3= (1.05 x 1.05 x 1.05) = 1.157625= 15.7625% increase in volume.(Regardless of what the radius and volume were before the increase.)