# Calculate Arc Length?

An arc is a part of a circle. Therefore. to calculate the length of an arc, you need the radius of the circle. You will take the radius and multiply it by the central angle to determine the sector or arc. This is just one way you can find the length of an arc.
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Q&A Related to "Calculate Arc Length?"
 1. Define your terms and give set variable titles so we can understand the formulas quickly. Diameter is the distance across the circle. Its variable is d. Circumference is the distance http://www.ehow.com/how_5081588_calculate-length-a...
 For a circle: Arc Length= R*((2*P*A)/(360)) R being radius, P being pi (3.14159), and A being the measure of the central angle. http://wiki.answers.com/Q/What+is+the+arc+formula
 actually both say the same thing but in different words thats whats confusing you. circumference of the circle = 2 x pi x r. length of the arc is = angle/360 x 2 x pi x r. if the http://answers.yahoo.com/question/index?qid=200805...
 Here is an online calculator to help find your arc length! ChaCha on. http://www.chacha.com/question/how-do-you-calculat...
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The formula for calculating the arc length is ?/360 × 2 × ? × r. Here, r stands for the radius and ? is the angle. This formula is quite frequently ...
1. Divide the angle by 360 if it is given in degrees. For example, a 30 degree divide by 360 results in 1/12 or 0.833. 2. Multiply that amount by the radius, and ...
1. Define your terms and give set variable titles so we can understand the formulas quickly. Diameter is the distance across the circle. Its variable is d. Circumference ...