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Q: What is the rule for finding surface area for a rectangle?

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Length times width.

The rule for S.A = 2bh + 2bw + 2hw

2(b+h)

You find the perimeter of a triangle by adding all the sides. There is no special rule for finding the perimeter.

The empirical rule is 68 - 95 - 99.7. 68% is the area for +/- 1 standard deviation (SD) from the mean, 95% is the area for +/- 2 SD from the mean; and 99.7% is the area for +/- 3 SD from the mean.

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Length times width.

Length x width

The rule for finding the area of a parallelogram is a simple equation of A=bh. For this equation, the A is area, b is base, and h is height. The area of a parallelogram is equal to the shape's base multiplied by the shape's height.

Area= Length x Width x Height

There are multiple area formulas for different shapes but the most commonly used one is for that of a rectangle which is: Area = Length x Width

A rectangle must have two pairs of equal sides. So to find the area of a rectangle, the rule is just length x width.8x9 = 72cm^2

Multiply the length of one side by itself !

area of parallelogram= base*height perimeter= 2(length+breadth)

1/2bh b=base h=height

The rule for S.A = 2bh + 2bw + 2hw

The Rubner rule apples to animals that maintain their body temperature at a steady level. Their metabolic rate is approximately proportional to the surface area of the body.The Rubner rule apples to animals that maintain their body temperature at a steady level. Their metabolic rate is approximately proportional to the surface area of the body.The Rubner rule apples to animals that maintain their body temperature at a steady level. Their metabolic rate is approximately proportional to the surface area of the body.The Rubner rule apples to animals that maintain their body temperature at a steady level. Their metabolic rate is approximately proportional to the surface area of the body.

base times height just like a rectangle easy right

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