Find the circumference of the circle. use 3.14 for pi. round to the nearest unit. a picture of a circle with a line across the middle like evenly and on the bottom it says 13 cm. pls

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Acentral angle measuring 160 degrees intercepts an arc in a circle whose radius is 4. what is the length of the arc the circle formed by this central angle? round the length of the arc to the nearest hundredth of a unit. a) 4.19 units b) 6.28 units c) 12.57 units d) 12.57 square units

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity