The circle to the right has a radius of one meter. Homework Help ✎
How many degrees are in a half circle?
What is the length of the arc that covers half of the circle?
Using exact values, what is the length of
? You will have as part of your answer.
It is half of 360° or 180°.
Since the circumference of the circle is 2π(radius), the answer is 2π(1). So what is the arc length of half of the circle?
What part of the circumference will 60° have?