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Aug 3, 2023 · Area of the parallelogram = Area of the circle. Area of the circle = πr × r = πr 2. 2) Using Area of Triangle. The other way to derive the formula for the area of a circle is by dividing the circle with radius ‘r’ into several concentric circles and then spreading the lines, thus forming a triangle.
Circumference of a circle. The circumference is the distance around a circle (its perimeter!): Circumference. Here are two circles with their circumference and diameter labeled: Diameter = 1 Circumference ≈ 3.14159 …. Diameter = 2 Circumference ≈ 6.28318 …. Circle 2: Circle 1:
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If each square in the circle to the left has an area of 1 cm 2, you could count the total number of squares to get the area of this circle. Thus, if there were a total of 28.26 squares, the area of this circle would be 28.26 cm 2 However, it is easier to use one of the following formulas: or . where is the area, and is the radius. Let’s look ...
Area of a sector of a circle = (l × r)/2 (when the length and radius is given) Perimeter of a sector of a circle = 2 Radius + ( (θ/360) × 2πr ) Where, r = radius of the circle. l = length of the arc. θ = angle in degrees. π = Pi with the value approximated to 3.14159 or 22/7. ☛ Related Topics.
Jul 14, 2023 · The area of a circle is the region enclosed by the circle’s boundary. In this article, we will learn the program to find the area of a circle in C programming. The area of a circle can simply be evaluated using the formula: Area = Pi * r 2. where r is the radius of the circle and the value of Pi is 3.14159265358.
Apr 24, 2024 · Then, computing the area of the circle using the formula defined as ‘area = PI * r * r’, as a result, it returns the area of a circle as 314.00. Similarly, you can calculate the area of a circle with different radius values.
