Other English adjective-noun pairs are related in this way, too: e.g., hale as in “hale and hearty” and health (but hale, except in that expression, is now mostly replaced by “healthy”). Area of a rectangle: A w × l, Perimeter of a rectangle P 2 × w + 2 × l, Circumcircle radius of a rectangle r d/2. The formulas for area, perimeter, and diagonal of a rectangle are: Rectangle Formulas. Obsolete forms include heighth and highth, and it is still common to hear people pronounce it that way.) wi de There are mainly three formulas for rectangle Perimeter, Area and Diagonal. 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 2 radians, as shown in the following equation: area. They follow a common English pattern that involves a vowel change (often to a shorter vowel) and the addition of th. A sector of a circle is essentially a proportion of the circle that is enclosed by two radii and an arc. Therefore, the area of a rectangle formula states that: Area of rectangle. Length, width, height, and depth are nouns are derived from the adjectives long, wide, high, and deep. The area of a rectangle is the product of the breadth and length of a rectangle. And, as in two dimensions, terms like “length,” “width,” and “height” won’t feel natural or be clear for some shapes, like a tennis ball. When height would be unclear-for example if the figure is not “level” -people cannot know what is meant by width, depth, or height without labels, although length is generally still assumed to refer to the longest measurement on the figure.
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