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guapka [62]
3 years ago
6

A farm uses a circular system to water the crops. The arm on the system (the radius) is 400 meters long. What area of land can i

t water? Use 3.14 to approximate pi.
Mathematics
2 answers:
Bess [88]3 years ago
8 0
To answer this question you would need to know the formula for the area of a circle, \pi r^{2}. You would start by squaring 400, getting 160,000. You would then multiply 160,000 by 3.14, getting 502,400 meters squared as your answer.
hammer [34]3 years ago
7 0

Answer:

502,400

Step-by-step explanation:

You can find the area of a circle using the formula  

A = pi • r2.

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