Answer:
Hope it helps.
Step-by-step explanation:
An arc of a circle is a "portion" of the circumference of the circle. The length of an arc is simply the length of its "portion" of the circumference. The circumference itself can be considered a full circle arc length. ... the angle subtends, s, divided by the radius of the circle, r.
4/7 + 1 1/3
get a common denominator,21
4/7 * 3/3 + 1 1/3*7/7
12/21 + 1 7/21
1 19/21
Using the product rule, then (A) is the answer.
