what is the formula of curved surface area?
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The area formula is really the formula for the curved surface (that is the 2πrh 2 π r h portion) added to the area of both ends (that is the 2πr2 2 π r 2 portion). If you see the phrase, "area of cylinder base," the writer is referring to the top and bottom ends, not the curved surface between them.
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['Name. Figure. Formula. Nomenclature. Triangle. Perimeter: P=a+b+c. Area: A=12bh. a,b,c:sides. b:base. h:height. Square. Perimeter: P=4a. Area: A=a2. a:side. Rectangle. Perimeter: P=2b+2h. Area: A=bh. b:base. ... ', 'Usage. To find the area of basic figures.', 'See Also. List here internal links. Web Resources. Write here links for external references.']
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Curved Surface Area: The area of the outer surface of the hemisphere is called the curved surface area. From the surface area of a sphere, we can easily calculate the surface area of the hemisphere. The curved surface area of a hemisphere = 2πr2 square units.
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Each end is a circle so the surface area of each end is π * r2, where r is the radius of the end. There are two ends so their combinded surface area is 2 π * r2. The surface area of the side is the circumference times the height or 2 π * r * h, where r is the radius and h is the height of the side.
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The general formula for the total surface area of a regular pyramid is T. S. A. =12pl+B where p represents the perimeter of the base, l the slant height and B the area of the base.
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The formula to find a circle's area π (radius)2 usually expressed as π⋅r2 where r is the radius of a circle. The area of a circle is all the space inside a circle's circumference. In diagram 1, the area of the circle is indicated by the blue color. The area is not actually part of the circle.
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Reminders. The lateral surface area of an object is equal to the surface area minus the area of the bases of the object. The formula for the lateral surface area of a cylinder is 2πrh, where r = radius and h = height.
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Area Under the Curve Formula. The area under a curve between two points is found out by doing a definite integral between the two points. To find the area under the curve y = f(x) between x = a & x = b, integrate y = f(x) between the limits of a and b. This area can be calculated using integration with given limits.
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The formula for surface area of a right triangle is A = b∙h2 where b is base and h is height.
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To calculate the surface area of a cylinder using a net, you need to figure out the area of the two circles and the area of the rectangle. First, to find the area of a circle, use the following formula. There are two circular bases in the cylinder, so multiply the area of the circle by two for the sum of the two areas.
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The area of a rectangle is determined by multiplying its length times its width. The area of a circle is Pi (i.e., 3.14) times the square of the radius. Find the area of the shaded region by subtracting the area of the small shape from the area of the larger shape.
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Lateral surface area of a conical frustum: S = π * (r1 + r2) * s = π * (r1 + r2) * √((r1 - r2)2 + h2)
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The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.
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There are two ends so their combinded surface area is 2 π * r2. The surface area of the side is the circumference times the height or 2 π * r * h, where r is the radius and h is the height of the side.
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A cube is a rectangular prism where all its sides are the same. The formula to find the surface area of a rectangular prism is A = 2wl + 2lh + 2hw, where w is the width, the l is the length, and the h is the height.
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The radius 'r' of a cylinder is the radius of its base. Now, the area of the rectangle = length × breadth. 2πr is the circumference of the circle and h is the height. Area of the curved surface will be = 2πr × h = 2πrh.
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The curved surface area is the area of all the curved regions of your solid. The lateral surface area is 'base'ically the area of all regions apart from the base (pun intended :) ).