Math Surface Area Formulas

Volume of a cone.

Math surface area formulas. A 2πr 2 2πrh. Worksheets and more examples. Find the surface area of earth which has a diameter of 7917 5 miles. I like to think of the shape as a birthday present and the surface area as the wrapping.

H is the height. This page gives the surface area formulas for the 3 d shapes as well as good graphics and images to explain where the formulas come from. Surface area formulas in general the surface area is the sum of all the areas of all the shapes that cover the surface of the object. Add the area of the base to the sum of the areas of all of the triangular faces.

The surface area of a three dimensional shape is the sum of all of the surface areas of each of the sides. Use the same units for. R is radius of circle surface area of a cylinder 2 pi r 2 2 pi r h. Use 3 14 for pi.

Surface area 2 l w 2 l h 2 w h. A 2 wh lw lh volume of a cylinder. H is the height. Use 3 14 for pi.

A πrs πr 2. Ab means a multiplied by b. V πr 2 h. Surface area 2 pi r 2 2 pi r h.

A2 means a squared which is the same as a times a. Volume of a triangular prism. A ah bh ch bl. The surface area of a prism is the sum of the area of all its external faces.

Volume of a pyramid. H is the height of the cylinder r is the radius of the top surface area areas of top and bottom area of the side. Volume of prisms pyramids more examples on the volume of prisms more examples on the surface area of prisms. L is the length.

A 4πr 2. Volume of a cuboid rectangular prism. R is the radius. W is the width.

Surface area perimeter of shape b l 2 area of shape b surface area of a sphere 4 pi r 2. A 2bs b 2. Volume of a sphere. Surface 2b ph b is the area of the base p is the perimeter of the base cylinder volume r2 x height v r2 h surface 2 radius x height s 2 rh 2 r2 pyramid volume 1 3 area of the base x height v bh b is the area of the base surface area.

Homework resources in surface area formulas geometry math. Surface area 4πr2 volume 4 3 πr3.