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What is shape is a cylinder cut in half?
a smaller cylinder when cut horizontally. A semi-circle when cut vertically
Why does a cylinder have one more plane of symmetry than a cone?
A cylinder and a cone have infinitely many planes of symmetry because of the circular face. However, a cylinder can also be cut in half lengthwise (imaging cutting a soda can in half), while a cone cannot (imagine cutting a ice cream cone in half). Therefore, a cylinder has one more plane of symmetry than a cone.
What shape would be created if you cut a cylinder in half horizontally?
a circle
How do you calculate the cross section area of cylinder?
The formula to calculate cross sectional area of a cylinder is pi (a constant value, approximately 3.14) multiplied by the radius of the cylinder (half the diameter, so half the distance from on side of the circle to the other) squared (multiplied again by itself) So if the circular end of the cylinder is 10 centimeters across, then the diameter is 10cm and the radius is 5cm. The cross sectional area would be calculated as: 3.14 x 5cm x 5cm = 78.5cm squared.
What is the formula for the radius of a cylinder?
rc = d/2Radius equals diameter divided by 2.In a right circular cylinder there are 2 circles - one of the base and one on the top of the cylinder. If we are going to get the radius of one of them, it will be equal to one-half the measure of the diameter of the whole circle, or r = d/2.
