WebJul 8, 2024 · Circle O is shown. Chords K M and J L intersect at point A. The measure of arc K J is 170 degrees. The measure of arc L M is 80 degrees. In circle O, what is m? 50° 55° 125° 250° Answer by Guest Answer: The answer for edg is 55 Step-by-step explanation: Rate answer Answer by Guest Answer: 55 Step-by-step explanation: just took the test WebFeb 14, 2024 · To find the central angle of a sector of a circle, you can invert the formula for its area: A = r² · α/2, where: r — The radius; and α — The central angle in radians. The formula for α is then: α = 2 · A/r² To find the angle in degrees, multiply the result by 180°/π. Hanna Pamuła, PhD Check out 9 similar circle calculators ⭕
In circle o, what is m? 50° 55° 125° 250° - istudy-helper.com
WebCircles-MCQ. 1. In the figure, if O is the centre of a circle, then the measure of ∠ACB is: 2. The angle subtended by the diameter of a semicircle is: 3. In the figure, if O is the centre of the circle, then the measure of x is: 4. WebJan 8, 2024 · Let's say it is equal to 45 degrees, or π/4. Calculate the arc length according to the formula above: L = r * θ = 15 * π/4 = 11.78 cm. Calculate the area of a sector: A = r² * θ / 2 = 15² * π/4 / 2 = 88.36 cm². You can also use the arc length calculator to find the central angle or the circle's radius. east west bookstore seattle
Sector Area Calculator
WebArc Length Calculator. To use the arc length calculator, simply enter the central angle and the radius into the top two boxes. If we are only given the diameter and not the radius we … WebApr 6, 2024 · The radius of a circle calculator uses the following area of a circle formula: Area of a circle = π × r2 Area of a circle diameter. The diameter of a circle calculator uses the following equation: Area of a circle = π × (d/2)2 where: π is approximately equal to 3.14. WebDec 14, 2024 · How to find the circumference of a circle Determine the radius of a circle. Let's assume it's equal to 14 cm. Substitute this value to the formula for circumference: C = 2 * π * R = 2 * π * 14 = 87.9646 cm. You can also use it to find the area of a circle: A = π * R² = π * 14² = 615.752 cm². cummings center beverly ma business directory