# Radius formula given circumference

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The formula to find the circumference when radius is given is Radius = 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 WikiPedia article - Circumference. Or, if you are a student interested in learning more about circles, circumference, radius and their relation, then Khan Academy's this page is useful.

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Given circumference find radius worksheet - Solution. Problem 1 : A circular pond has a circumference of 628 feet. A model boat is moving directly across the pond, along a radius, at a rate of 5 feet per second. Apr 30, 2018 · For any circle, if you divide the circumference by the diameter you get pi, an irregular number usually rounded to 3.14. Setting Up the Formula Write down the formula for calculating the circumference of a circle; C = πd, where C = circumference, π = 3.14 and d = diameter. If you were asked to find the radius instead of the diameter, you would simply divide 7 feet by 2 because the radius is one-half the measure of the diameter. The radius of the circle is 3.5 feet. You can also use the circumference and radius equation. Given circumference find radius worksheet - Solution. Problem 1 : A circular pond has a circumference of 628 feet. A model boat is moving directly across the pond, along a radius, at a rate of 5 feet per second. Area of circle calculator. Let us consider 3 scenarios to calculate the area of a circle. 1) Area of circle when radius (r) is given. When radius (r) is given, the area of circle can be found using the formula,

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Oct 03, 2010 · http://www.mathproblemgenerator.com - How to Find the Radius of a Circle When Given the Circumference. For more practice and to create math worksheets, visit... Processing... ... ...

Sal finds the radius and diameter of a circle given the circumference. If you're seeing this message, it means we're having trouble loading external resources on our website. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked. The circumference of a hemisphere is two times the radius multiplied by pi.This short tutorial helps you in calculating the radius of a hemisphere using the circumference formula. Let us learn how to calculate the radius of hemisphere when the circumference is given.

Apr 29, 2018 · A circle's radius is exactly half the length of the same circle's diameter, which is a line that divides the circle into two equal halves. The Relationship of Circumference and Radius The definition of pi reveals the equation for the circumference of a circle. Pi is equal to the circumference of a circle divided by its diameter. Aug 22, 2018 · Circumference of the circle = 2πr Questions Based on Finding Diameter of a circle when circumference is given. Question 1. Find the diameter of the circle whose circumference is 44 cm? Explanation. Let, the radius of the given circle be r cm. As we know that, Circumference of the circle = 2πr cm. Given, Circumference of a cicle = 44cm. Therefore, If you were asked to find the radius instead of the diameter, you would simply divide 7 feet by 2 because the radius is one-half the measure of the diameter. The radius of the circle is 3.5 feet. You can also use the circumference and radius equation.