WebCircumference of a circle formula = 2πr Let us substitute the known values to find the radius first. 440 = 2πr 440 = 2 × (22/7) × r radius = 70 cm Diameter = 2 × radius Diameter = 2 × 70 Therefore, the radius is 70 cm, and the diameter is 140 cm. Example 3: The perimeter of a rectangular wire is 264 m. WebGiven the radius of a circle calculate the area, circumference and diameter. Putting A, C and d in terms of r the equations are: A = π r 2. C = 2 π r. d = 2 r. Calculate r, C and d Given A. Given the area of a circle calculate the …

Circumference Calculator - Find Circumference of a …

WebA circle of radius 1 rolls around the circumference of a larger circle of radius 4 . The epicycloid traced by a point on the circumference of the smaller circle is given by x = 5 cos t − cos 5 t and y = 5 sin t − sin 5 t. Find the distance traveled by the point in one complete trip about the larger circle. WebA line that "just touches" the circle as it passes by is called a Tangent. A line that cuts the circle at two points is called a Secant. A line segment that goes from one point to another on the circle's circumference is called a Chord. If it passes through the center it is called a Diameter. And a part of the circumference is called an Arc. ealing broadway to richmond

Circumference and Area of a Circle Calculator

WebRadius = Circumference/ (2*π) The formula to find the area when radius is given is Area of circle = π*Radius*Radius In the above formulas, π=3.14159 and R is the radius. You can read more about circumference in this … WebRadius: the distance between any point on the circle and the center of the circle. It is equal to half the length of the diameter. Diameter: the largest distance between any two points … WebSep 26, 2024 · Set up the formula for finding the circumference of a circle. The formula is , where equals the radius of the circle. [1] Using this formula allows you to find the length … csos at work