Answer:

Step-by-step explanation:
<u>Length Of Semicircles
</u>
The length of a circle or radius r is

A semicircle has half this length:

The radius of the flowerbed is 2.5 m, thus the length of the edging material needed to border the lawn design is


I don't know what the list of equations are, but if you take 12x2 you get 28 and 48-28=20 and the 20 is divided by two sides, so the width is 10ft <span />
The answer is A i believe