how plinth area is calculated?
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For the calculation of approximate cost of the building using plinth area method, the sum of the built-up area of all floors including based basement is considered as the plinth area of the building.
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More Formulas We can also use the area formula to find the apothem if we know both the area and perimeter of a polygon. This is because we can solve for a in the formula, A = (1/2)aP, by multiplying both sides by 2 and dividing by P to get 2A / P = a. Here, the apothem has a length of 4.817 units.
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Square feet = area in square inches divided by 144. Divide the area of the room by the area of a single tile. Add 10% for waste. Consider adding up to 30% for intricate designs and larger tiles.
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The breadth of a shape is the width of a shape. To find the area of a shape, we multiply its two dimensions, such as breadth or width and height or length: Area = breadth (width) x height (length).
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You also learned the formula for finding the area of any regular polygon if you know the length of one side and the apothem: A = (n × s × a)2 A = ( n × s × a ) 2 , where n is the number of sides, s is the length of one side, and a is the apothem.
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To calculate the area of a circle we use the formula: π x (diameter/2)2. That is to say π (pi is 3.14159265) multiplied by half the diameter squared. So, we divide our diameter by 2 and then square it (multiply it by itself) and then multiply by π. This gives you your square feet figure (ft2).
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['Surface area: 42 square metres. Divided by.', 'Spreading rate: 11 square metres per litre. Multiplied by.', 'Number of coats: 2 coats. Equals.', '42/11 x 2 = 7.6 litres.']
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['Multiply Pole Length by Fullness Ratio.', 'Divide this figure by the Fabric Width.', 'Round the result up or down to the nearest whole number*.']
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['Find the area of the room. Length x Width = Area. ... ', 'Find the area of a single tile in square feet. Add the width of the grout lines. ... ', 'Divide the area of the room by the area of a single tile.', 'Add 10% for waste. Consider adding up to 30% for intricate designs and larger tiles.', 'Round up.']
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For a regular prism (where all the sides are the same) calculate the area of one of the sides and multiply by the total number of sides. For irregular prisms (with different sides) calculate the area of each side. Add your two answers together (ends × sides) to find the total surface area of the prism.
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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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['Step 1: Separate the figures.', 'Step 2: Find the surface area of each figure.', 'Step 3: Subtract the overlapping parts from each figure.', 'Step 4: Add the adjusted surface areas.']
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Double the width, and subtract that from the perimeter. Then divide that number by two, which gives you the length of the rectangle. Then, multiply the result by the width to get the area.
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One method for finding the area of an irregular shape is to divide the shape into smaller shapes which you do have the formula for. Then you find the area of all of the smaller shapes and add all of your areas together.
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['To find the area of a wall, we multiply wall height x wall width.', 'The estimate divides the total square footage by 350, as one gallon of paint covers 350 square feet.', 'Your paint calculation will update if you change the number of desired coats of paint.']
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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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['Determine the length and width of a cuboidal excavation. ... ', 'Calculate the area of the excavation, multiplying the length and width together. ... ', 'Determine the depth of the excavation. ... ', 'Multiply the area and depth of the excavation to obtain its volume: 18 * 2 = 36 yd³ .']