Kelly is using a bucket to fill up a beer with water from a well. the barrel holds 25.5 liters. the bucket holds 800 millimeters
. the barrel already has 5.2 liters of water in it. what is the least number of buckets needed to fill the barrel.
1 answer:
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Answer:
P = 15.71 cm
Step-by-step explanation:
Given that,
The diameter of the semicircle, d = 10 cm
Radius, r = 5 cm
The perimeter of the semicircle is given by :
So, the perimeter of the semicircle is 15.71 cm.