How do you find the surface area of various geometric shapes?
To calculate the surface area of various geometric shapes, you need to know the formula for each shape. Here are some of the most common geometric shapes:
- Cube: To find the surface area of a cube, use the formula 6a², where a is the length of one of the sides of the cube.
- Rectangular Prism: The surface area of a rectangular prism is given by the formula 2(lw + lh + wh), where l, w, and h are the length, width, and height of the prism.
- Sphere: The surface area of a sphere is 4πr², where r is the radius of the sphere.
- Cylinder: To find the surface area of a cylinder, use the formula 2πrh + 2πr², where r is the radius of the base of the cylinder and h is its height.
- Cone: The surface area of a cone can be calculated using the formula πr² + πrl, where r is the radius of the base of the cone and l is the slant height.
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