4. 7G4 - M

Kylie used wire fencing to form a border around a circular region in her back yard. If the

diameter of the circular region was 5 yards, what was the total length of the border,

rounded to the nearest tenth of a yard?

a.

15.7

b. 31.4

C. 78.5

d. 157.1

Question

Tammy

27 September, 10:01

+3

Answers (1)

Know the Answer?

Alexandra Baxter · Answer 1

You need to find the radius. It is half the diameter

The radius is 2.5

C=2 pi r

C=2 times 2.5 = 5. 5 times pi = 15.7

The answer is 15.7

4. 7G4 - MKylie used wire fencing to form a border around a circular region in her back yard. If thediameter of the circular region was 5 yards, what was the total length of the border,rounded to the nearest tenth of a yard?a.15.7b. 31.4C. 78.5d. 157.1