The formula for the surface area of a circle is pi times the square of the radius. It is represented as A equals pi times r squared.
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The formula for the surface area of a circle is pi times the square of the radius. The formula for the surface area of a triangle is base times height, divided by 2. The formula for the surface area of a square or rectangle is length times width.
False. The surface area formula for a right cone is not the same as the surface area formula for an oblique cone.
4*pi*r2. because surface area is equal to circumference of circle.
Area of a circle = pi*radius2
what is the formula to finding the total surface area of a rhomboid?!