billy583887
19.05.2020 •
Mathematics
You want to install a 1 yard wide sidewalk around a circular swimming pool. The diameter of the pool is 20 yards. What is the distance around the outside edge of the new sidewalk?
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Ответ:
42pi or 131.95 yards
Step-by-step explanation:
circumfrence of a circle is 2*pi*r
since you added a side wall 1 yard wide you increase the radius of the circle by one yard
so 2*pi*21= 42pi or 131.95 yards
Ответ:
0.45 or 1/5 or 1/6
hope this helps
have a good day :)
Step-by-step explanation: