16. A roller rink floor is show below. Each end has a semicircle. What is the area? Use = 3.14 20 m

714m^2

Step-by-step explanation:

So, as we said in the comments, since they didn't give the radius, we have to assume the center is a square. That means the area of the center part is 20m x 20m, and the diameter of the circular ends is 20m as well.

Area of center: 20 x 20 = 400m^2

Area of ends:

Area = (pi)(r)^2

The radius = 1/2 the diameter = 10m

Area = (3.14)(10)(10)

Area = 3.14 x 100 = 314m^2

Now, if it only had one semicircle on the end like your previous question, we'd have to divide this answer by 2, but the circular area we just calculated covers both ends, so the total area = the square center + the circular area

400 + 314 = 714m^2

answer:

what is your question that you ask

step-by-step explanation:

hello, sorry being so rude after all that fighting i found it kind of funny, so as me saying sorry here is an answer!

since the table showed her that   2km = 2000m.

to determine, how many km in 2000m, she would divide by 1000.

= 2000 / 1000 = 2 km.

similarly, for 8000m = 8000 / 1000 = 8 km

cheers to savings

~

your pal papaguy