The circumference of a circle is calculated by using the formula C = πd, where C is the circumference and d is the diameter. In this case, the diameter is 20, so the circumference is 20π.
To find the length of the arc, you need to know the measure of the central angle that corresponds to that arc. If the central angle is θ, then the arc length is given by the formula
Arc Length = (θ/360) * Circumference.
Since the central angle that corresponds to the full circle (360 degrees) is 360 degrees, you can calculate the arc length if you know the measure of the central angle in degrees that corresponds to the arc.
For example, if the central angle is 90 degrees, the arc length would be:
Arc Length = (90/360) * 20π = (1/4) * 20π = 5π.
So in this case, the length of the arc would be 5π units.
Whats the length of the arc if the diameter is 20
1 answer
1 answer