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, … WebMar 9, 2024 · The diameter of a circle is 14 ft. What is the area of the circle? Geometry Perimeter, Area, and Volume Circumference and Area of Circles 1 Answer Suren Abreu Mar 9, 2024 The area of the circle is 154 square feet. Explanation: The formula for area of a circle is: A = πr2, where A = area, π = 22 7, and r = radius.
Circumference of a Circle Calculator Pi Day
WebFeb 17, 2024 · Its elegant simplicity is even reflected in its formulas for finding the circumference and area of any circle: C = 2 π r. A = π r 2. Using these simple formulas does require us to define a few terms so we can solve circle problems. First, we need to define the radius, which is the r in our two formulas. The radius is the distance from the ... WebFeb 17, 2016 · A. In order to calculate a circle’s circumference, we need to know either its diameter or its radius. We then use the appropriate value in this equation: C = 2 π r (where “ r ” represents radius, of course). Ex. Find the circumference of this circle: r = 10 units 2 = 5 units. C = 2 π r = 2 π × 5 = 10 π units. Q. simplicity 1328
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WebApr 14, 2024 · A circle of radius = 1.2 or diameter = 2.4 or circumference = 7.54 cm has an area of: 4.524 × 10-10 square kilometers (km²) What is a 12 inch diameter? If the diameter of the circle is 12″, then the radius is 6″ (half the diameter), and the area “A” is (approximately) 3.14 * 6^2 or about 113.04 sq….What is the circumference of a 12 ... WebJul 5, 2008 · The circumference of a circle with the diameter of 14 ft is: 44 feet. What is the diameter of a circle if the circumference is 14 cm? circumference = pi*diameter … WebFind the circumference of each circle from the given radius or diameter - 30726429. answered Find the circumference of each circle from the given radius or diameter 1. … simplicity 1325