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avanturin [10]
3 years ago
5

There is a circle with a diameter of 3. Round to nearest tenth!

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer:

Step-by-step explanation:

What is the Radius?

1.5

this is just 1/2. 1/2 of 3 is 1.5 (also you can look up how do you find the radius of a circle with the diameter to be sure, a calculator will come up and you can put in the diameter)

What is the Circumference?

9.4

You can figure out the Circumference by multiplying pi by the diameter. (also you can look up how do you find the circumference of a circle with the diameter to be sure, a calculator will come up and you can put in the diameter)

What is the Area?

7.1

how you find the area with just the diameter is 1 /4πd^2 (also you can look up how do you find the area of a circle with the diameter to be sure, a calculator will come up and you can put in the diameter)

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Answer:

20 miles with an error margin of  ± 8 miles

Step-by-step explanation:

The margin of error of a result is the range in which an error can vary. To find the margin of error between both distances we have to

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In this way, the correct answer is 20 miles with an error margin of  ± 8 miles

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