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Theoretically the area of a sheet of paper of size An can be calculated as 1/2 n m 2. The following table gives theoretical areas compared with actual areas for each of the A paper sizes from 4A0 to A10.
A series paper sizes and dimensions are defined by the ISO 216 international paper size standard. The A series is comman and world wide used paper size. The base A0 size of paper is defined as having an area of 1 m2 and a dimension ratio of 1 to √2.
- Rectangle
- Triangle
- Trapezoid
- Circle
- Sector
- Ellipse
- Parallelogram
A rectangle is a quadrilateral with four right angles. It is one of the simplest shapes, and calculating its area only requires that its length and width are known (or can be measured). A quadrilateral by definition is a polygon that has four edges and vertices. In the case of a rectangle, the length typically refers to the longer two edges of the ...
There are many equations for calculating the area of a triangle based on what information is available. As mentioned in the calculator above, please use the Triangle Calculatorfor further details and equations for calculating the area of a triangle, as well as determining the sides of a triangle using whatever information is available. Briefly, the...
A trapezoid is a simple convex quadrilateral that has at least one pair of parallel sides. The property of being convex means that a trapezoid's angle does not exceed 180° (in contrast, a concave quadrilateral would), while being simple reflects that trapezoids are not self-intersecting, meaning two non-adjacent sides do not cross. In a trapezoid, ...
A circle is a simple closed shape formed by the set of all points in a plane that are a given distance from a given center point. This distance from the center to any point on the circle is called the radius. More detail can be found regarding circles on the Circle Calculator page, but to calculate the area, it is only necessary to know the radius,...
A sector of a circle is essentially a proportion of the circle that is enclosed by two radii and an arc. Given a radius and an angle, the area of a sector can be calculated by multiplying the area of the entire circle by a ratio of the known angle to 360° or 2π radians, as shown in the following equation: or The Farmer and his Daughter – Sectioning...
An ellipse is the generalized form of a circle, and is a curve in a plane where the sum of the distances from any point on the curve to each of its two focal points is constant, as shown in the figure below, where P is any point on the ellipse, and F1 and F2are the two foci. When F1 = F2, the resulting ellipse is a circle. The semi-major axis of an...
A parallelogram is a simple quadrilateral which has two pairs of parallel sides, where the opposite sides and angles of the quadrilateral have equal lengths and angles. Rectangles, rhombuses, and squares are all special cases of parallelograms. Remember that the classification of a "simple" shape means that the shape is not self-intersecting. A par...
The Basis weight of paper is the weight per unit area. This can be expressed as the weight in grams per square meter (GSM or g/M 2), pounds per 1000 sq. ft. or weight in Kgs or pounds per ream (500 sheets) of a specific size. Paper is sold by weight but the buyer is interested in area of paper.
An easy to use, free area calculator you can use to calculate the area of shapes like square, rectangle, triangle, circle, parallelogram, trapezoid, ellipse, octagon, and sector of a circle. Formulas, explanations, and graphs for each calculation.
Use our intuitive tool to choose from sixteen different shapes, and calculate their area in the blink of an eye. Whether you're looking for an area definition or, for example, the area of a rhombus formula, we've got you covered. Keep scrolling to read more or just play with our tool - you won't be disappointed! What is area in math?
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Nov 20, 2024 · A crafter uses four letter-size sheets of paper to create a paper mosaic in the shape of a square. They decide they want to frame the paper mosaic, so they measure and determine that the area of the paper mosaic is \(\text{2,412.89 cm}^2\). Does their calculation make sense? Explain your answer.
