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Malina
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What is the formula for the base of a cone?
B=

What is the formula for the lateral area of a cone?
L= , where r is the radius and l is the cone's slant height.

What is a sector?
In a circle, a region with boundaries of tow radii and a part of a circle

What is the surface area for a cone?
 S= L+B
 or replace L and B with their formulas,
 S= +

How do you find the slant height?
 You can use the Pythagorean Theorem to find the slant height.
 , where r is the radius and h is the height.

What is the formula for the volume of a cone?
 V= , where B is the area of the base and h is the height.
 It can also be rewritten. Replace B with its formula:
 V=

