Mai is filling her fish tank. Water flows into the tank at a constant rate. How many gallons of water will be in the fish tank a
fter 3 minutes? Do not include units (gallons) in your answer.
1 answer:
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Answer:
perimeter = 8
Step-by-step explanation:
We require to calculate the area (A) of the circle
A = πr² ← r is the radius
circumference = 4π = 2πr, hence
2πr = 4π ( divide both sides by 2π )
r = 2, hence
A = π × 4 = 4π
The area of the square is therefore 4π and area = s² ← s is the side length
s² = 4π ( take the square root of both sides )
s = = 2
, hence
perimeter = 4 × 2 = 8