are area and diameter the same?
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The d represents the measure of the diameter, and r represents the measure of the radius. The diameter is always twice the radius, so either form of the equation works. This formula reads, “Area equals pi are squared.” Find the radius, circumference, and area of a circle if its diameter is equal to 10 feet in length.
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Area is a scalar quantity. A circle for example has an area of . Area is also a measure.
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The area is measurement of the surface of a shape. To find the area of a rectangle or a square you need to multiply the length and the width of a rectangle or a square. Area, A, is x times y.
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The diameter is always twice the radius, so either form of the equation works. This formula reads, “Area equals pi are squared.” Find the radius, circumference, and area of a circle if its diameter is equal to 10 feet in length. so the area is about 78.5 square feet.
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Relation between Diameter and Radius: Diameter of a circle is twice of its radius.
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Surface area and volume are calculated for any three-dimensional geometrical shape. The surface area of any given object is the area covered or region occupied by the surface of the object. Whereas volume is the amount of space available in an object. ... Each shape has its surface area as well as volume.
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As nouns the difference between width and diameter is that width is the state of being wide while diameter is (geometry) any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
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is that distance is (countable) the amount of space between two points, usually geographical points, usually (but not necessarily) measured along a straight line while diameter is (geometry) any straight line between two points on the circumference of a circle that passes through the centre/center of the circle.
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The area of a rectangle is the product of the two sides. One side is the height of the can, the other side is the perimeter of the circle, since the label wraps once around the can. So the area of the rectangle is (2 pi r)* h.
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The area formula is πr². If the area is given as 4π, so in this case πr² = 4π. That means the square of the radius (r) is 4, and the radius is 2. So the diameter is 4, and the circumference (πd) is 4π.
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Difference Between Area and Surface Area. The area is the measurement of the size of flat-surface in a plane (two-dimensional) whereas surface area is the measurement of the exposed surface of a solid shape (three-dimensional).
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We've learned that the circumference is the distance around the circle and the diameter is the distance across the circle going through the center. Both are parts of a circle. The circumference formula, C = pi*d, tells you how the circumference and diameter are related.
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The surface area of each end is given by the area formula for a circle with radius r: A = (pi)r2. ... The surface area of the cylinder is the circumference of the circle, multiplied by the height: A = 2(pi)rh.
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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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The Radius is the distance from the center outwards. The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle.
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One of the unique qualities of a circle is that its diameter and circumference have a proportional relationship. This means that no matter what size the circle is, the proportional relationship, or ratio, between its circumference and diameter is always the same.
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If the circumference of a circle and the perimeter of a square are equal, then. Hence, Area of the circle > Area of the square.