Question

Mr. Herbert used wire fencing to form a border around a circular region in his back yard. If the radius of the circular region was 5 yards, what was the total length of the border, rounded to the nearest tenth of a yard?
78.5 yd
157.1 yd
15.7 yd
31.4 yd

Answer 1

Answer:

31.4

Step-by-step explanation:

5 x 2 = 10

Use 3.14 for π.

10 x 3.14 = 31.4 yards