WebThe following equations show how the radius and diameter relate to the circumference. The equation for circumference of a circle is: c=\pi d c = πd. If written instead in terms of the radius, the circumference calculation is instead: c = 2 \pi r c = 2πr. Dimensions of a circle: O - origin, R - radius, D - diameter, C - circumference ( Wikimedia) WebThis tool will calculate the radius of a circle from the circumference, and will convert different measurement units for circumference and radius. Formula. The formula used to calculate the circle radius is: r = C / (2 · π) Symbols. r = Circle radius; C = Circle circumference; π = Pi = 3.14159… Circumference of Circle
How Do You Find the Radius of a Circle if You Know the Area?
WebJun 11, 2016 · The circumference of the circle with 7 feet radius is 43.96 feet. This is computed using the formula in solving the circumference, 2 times Pi times radius. Substituting the values given, circumference is equal to 2 times Pi (3.14) times 7 feet, which give us the answer of 43.96 feet. WebJan 2, 2024 · Circumference of a circle = 154 cm. So, By the problem, 2πr = 154 cm => 2 × × r = 154 cm => r = 154 × × = 24.5. Hence the radius of the circle is 24.5 cm (Ans) grantchester sidney amanda
What is the circumference of a circle whose area is 154cm?
WebThe distance between the center of the circle to its circumference is the radius. The diameter is always double the radius. Hence, the formula is derived by dividing the diameter by 2. ... Question 3: If the area of a circle is 154 cm … WebRemember, to find the area of a circle, you need to multiply pi by the radius squared. A = π r 2. Our formula: A = π r 2. The area, 'A', of the circle is 153.86 inches squared. ' π ' is pi, an irrational number with a value of approximately 3.14. 'r' is the radius, which is what we are solving for here. WebAug 15, 2024 · The radius of the circle is half the diameter. Where diameter is chord having two end points in circle. Given. The area of circle given is 154cm^2. Find. We need to find the radius of the circle. Solution. The Area of the circle is 154. Area of circle is . The area of the circle is given . So we will substitute the value of Area of circle is 54 grantchester streaming gratis