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Answer:
<u>Given:</u>
- Diameter of rug = 6 feet
To find the area of the rug, we need to use the formula "πr² or π(D/2)²"
<u>Where:</u>
- r = radius
- d = diameter
Since we do not have the radius, we need to substitute the diameter in the formula "π(D/2)²" to determine the area of the rug.
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Substituting "22/7" as π:
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When finding the area of ANY shape, do not forget to include the units.
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The mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.
<h3>How do you calculate the mass of sodium chloride required?</h3>Given that weigh of the person is 50 KG. The mass of the sodium chloride in one person is given below.
The mass of sodium chloride is calculated as given below.
Hence we can conclude that the mass of sodium chloride required for 1. 8 × 10^3 people is 3. 6 × 10^5 grams. Option A is the correct answer.
To know more about the mass, follow the link given below.