WebJul 7, 2024 · Find the radius, circumference, and area of a circle if its diameter is equal to 10 feet in length. If the diameter ( d) is equal to 10, you write this value as d = 10. The radius is half the diameter, so the radius is 5 feet, or r = 5. You can find the circumference by using the formula So, the circumference is about 31.5 feet around. WebAlternatively, if the radius is given, multiply it by two to get the diameter or directly use the second equation provided above instead. For example, if the radius of a sphere is 5 inches, using the second sphere volume equation results in 4/3 x 3.14159 x 5 3 = 4.1866 x 125 = 523.6 in 3 (cubic inches). Cite this calculator & page
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WebFeb 3, 2024 · 2. Divide the diameter by two. A circle's. radius is always half the length of its diameter. For example, if the diameter is 4 cm, the radius equals 4 cm ÷ 2 = 2 cm. In math formulas, the radius is r and the diameter is d. You might see this step in your textbook as. r = d 2 {\displaystyle r= {\frac {d} {2}}} . WebThe area can be found by multiplying PI (3.14159) times the radius times the radius again. Circumference The distance around the outward boundary of a circle, expressed as a linear unit of measurement (millimeters, inches, etc.). The circumference can be found by multiplying PI (3.14159) times the diameter. rawlings heritage pro
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WebJul 3, 2024 · So, if you have a radius of 4.5 inches: A = π * 4.5^2 A = 3.14 * (4.5 * 4.5) A = 3.14 * 20.25 A = 63.585 (which rounds to 63.56) A = 63.56 square centimeters 04 of 07 Arc Length The arc of a circle is simply the distance along the circumference of the arc. WebApr 4, 2024 · Twice the length of a circle's radius. The circumference – the length of the outside boundaries of the circle. If you know the radius, it is straightforward to compute … Using the Diameter Calculator. You can enter the diameter and then compute … Three lengths are most commonly applied: The radius – the distance from the … Using the Circumference Calculator. You can enter the circumference and also … Below are some of the summary statistics on net worth this year. What was the … Using the Month Calculator. To compute the distance in months and days … Using the Week Calculator. To compute the distance in weeks and days between two … Using the Age Difference Calculator. To compute the distance in age between … On this page is a greatest to least calculator and organizer, which will take a mixed … On this page is an individual income percentile by age calculator for the … On this page is a household income percentile calculator for the United States … WebFind the total area of the circle, then use the area formula to find the radius. Area of section A = section B = section C. Area of circle X = A + B + C = 12π+ 12π + 12π = 36π. Area of circle = where r is the radius of the circle. 36π = πr 2. 36 = r 2. √36 = r. 6 = r rawlings helmet with c flap