I think it's 1/4 of the base diameter times the height times pi.
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False. The surface area formula for a right cone is not the same as the surface area formula for an oblique cone.
True. This is because the slant height of an oblique cone cannot be defined.
Find cone base area using a circle's formula, which is pi times (radius squared). Find cone slanted area with this formula:half of the length of the side, times the circumference of the base.. Add the results to get the total surface area.Measure the cone's circumference with this formula: C = pi * d. C is circumference and d is its diameter. Measure the diameter, which is a line from the base's one side, through its center, to the opposite side.Calculate cone slant height from its top to its base's side. Use your slant height and circumference measurement to calculate cone slanted area. Use step one's formula, where "s" is the slant height, and C is the circumference.4 Add your results for cone base area and cone slanted area to get the total cone surface area.
V = 1/3 BH Formula for finding BH is: (pi)r2H B = Area of Base H = Height
Volume of a cone = 1/3*pi*radius2*height measured in cubic units The area of the cone's base = pi*radius2 measured in square units