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Circle

The distance around the circle is a circumference. The distance across the circle is the diameter (d). The radius (r) is the distance from the center to a point on the circle. (Pi = 3.14) More about

d = 2r

c = pd = 2 pr

A = pr2

(p=3.14)

Rectangle:

Area = Length X Width

A = lw

Perimeter = 2 X Lengths + 2 X Widths

P = 2l + 2w

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Can area of a circle be represent as area of a rectangle?

Yes, the area of a circle can be represented in a rectangular form using the formula for the area of a circle, (A = \pi r^2). If you imagine unrolling the circle into a rectangle, you can think of it as approximating the circle with a series of infinitesimally thin rectangles, where the height of each rectangle corresponds to the radius and the width corresponds to a segment of the circle's circumference. While the circle and rectangle are geometrically different, the area can be calculated and compared using similar mathematical principles.


How do you get the area of an rectangle?

Area = length x width you may try the online calculator linked below that is related to this area and perimeter calculation of common shapes like rectangle, circle, triangle, parallelogram, rhombus and trapezoid.


If A circle and rectangle have the same area the circle has a diameter of 42 centimeters and rectangle has a width of 18 centimeters find the perimeter of the rectangle?

Area of circle = pi*212 = 1385.44236 square cm Area of rectangle = 1385.44236 square cm Lenght of rectangle = 1385.44236/18 = 76.96902 cm Perimeter of rectangle = 2(76.96902)+2(18) = 189.93804 cm


What does surface area formula look like?

That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.


How do you find the area of a rectangle with a semi circle attached to it?

Calculate the area of a rectangle and of the semicircle separately, then add.

Related Questions

How do find the area in math?

It depends on what you are trying to find the area of. The area of a rectangle is calculated by multiplying the length of the rectangle times the width of the rectangle. The area of a circle is calculated by multiplying pi times the radius of the circle squared. See the Related Links for more information on calculating area.


What is relationship between the area of a circle and a rectangle?

area of a circle = area of a rectangle(parallelogram) formed by the sectors of circle with pi as length and radius as bradth.


Can area of a circle be represent as area of a rectangle?

Yes, the area of a circle can be represented in a rectangular form using the formula for the area of a circle, (A = \pi r^2). If you imagine unrolling the circle into a rectangle, you can think of it as approximating the circle with a series of infinitesimally thin rectangles, where the height of each rectangle corresponds to the radius and the width corresponds to a segment of the circle's circumference. While the circle and rectangle are geometrically different, the area can be calculated and compared using similar mathematical principles.


How do you get the area of an rectangle?

Area = length x width you may try the online calculator linked below that is related to this area and perimeter calculation of common shapes like rectangle, circle, triangle, parallelogram, rhombus and trapezoid.


How is the area of a triangle related to the area of a rectangle?

It's half the area of a rectangle


The area of the circle increases the area of the rectangle?

faster than


If A circle and rectangle have the same area the circle has a diameter of 42 centimeters and rectangle has a width of 18 centimeters find the perimeter of the rectangle?

Area of circle = pi*212 = 1385.44236 square cm Area of rectangle = 1385.44236 square cm Lenght of rectangle = 1385.44236/18 = 76.96902 cm Perimeter of rectangle = 2(76.96902)+2(18) = 189.93804 cm


What does surface area formula look like?

That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.That depends what kind of figure you are talking about. The formula for the area of a circle is quite different from the area of a rectangle, for example.


How is the formula for the parallelogram related to the area formula of the rectangle?

The area formula for the parallelogram is related to the area formula for a rectangle because you can make the parallelogram into a rectangle to find the area.


How do you find the area of a rectangle with a semi circle attached to it?

Calculate the area of a rectangle and of the semicircle separately, then add.


Which formula for the area of a parallogram is similar to a rectangle circle triangle ellipse or trapezoid?

Rectangle Area of parallelogram = Base * Height Area of rectangle = Base * Height


How do you you get the measurement of the area?

Rectangle: LxW Triangle:? Circle:?