Question

(a) use the calculator to find the area and circumference of the park. use 3.14 for π in your calculations, and do not round your answers. make sure to include the correct units. area: circumference: (b) a rope will be placed around the park. which measure would be used in finding the amount of rope needed? ∘ circumference ∘ area (c) the park will be covered by artificial turf. which measure would be used in finding the amount of turf needed? ∘ circumference ∘ area

Explanation:

Step1: Identify radius of the circle

The given line segment is the radius, so $r = 18$ yd.

Step2: Calculate circumference

Use formula $C = 2\pi r$. Substitute $\pi = 3.14$ and $r = 18$:
$C = 2 \times 3.14 \times 18 = 113.04$ yd.

Step3: Calculate area

Use formula $A = \pi r^2$. Substitute values:
$A = 3.14 \times 18^2 = 3.14 \times 324 = 1017.36$ yd².

Step4: Answer (b)

Rope around the park uses circumference.

Step5: Answer (c)

Turf covers the park uses area.

Answer:

(a) Circumference: 113.04 yd; Area: 1017.36 yd²
(b) Circumference
(c) Area