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# How do you figure area?

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The area of any simple shape, such as a circle, triangle or rectangle, can be found by taking a series of measurements from the shape and plugging them into a formula. The necessary formula varies according to the shape but works for all shapes of that type.

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1. Take measurements

Measure the dimensions of the shape. For example, finding the area of a triangle requires the width of the base and the vertical height, whereas finding the area of a circle requires the length of the radius.

2. Find the right formula

Using a math textbook or Internet search, obtain the correct formula for finding the area of the specific shape. Put the measurements into the appropriate formula.

3. Solve for the area

Use the formula to calculate the area of the shape.

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## Related Questions

• A:

The formula for the circumference of a circle is 2(pi)r. R stands for the radius of the circle, which can also be found by taking the diameter and dividing it by 2, and pi can be approximated by the decimal 3.14.

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The diameter of a circle can be calculated using the formula d = 2r, where "d" indicates the diameter and "r" denotes the radius of the circle. In terms of circumference, the diameter can be computed using the equation d = c/pi, where "c" represents the circumference and pi is approximately equivalent to 3.142. If the area of the circle is given, the formula d = sqrt (4a/pi) can also be used to solve for the diameter, where "a" denotes the area.

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• A:

To calculate area, first determine the shape of the object. Next, apply the correct formula is needed, and substitute the values into the appropriate places. Finally, the equation should be solved to find the number that represents the area.