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Cloud [144]
3 years ago
6

Please help! I need this to pass. If you are trying to get points please just chose a different question and don't mess with min

e. I am in a state of trouble and I just need a helping hand.

Mathematics
1 answer:
lys-0071 [83]3 years ago
3 0

Answer:

The correct answer to the exercise is:

  • Surface area of a circle = 633.1 mm^{2}

Step-by-step explanation:

To obtain the surface area of a circle, you can use the formula:

  1. Surface area of a circle = π * r^{2}

Where:

  • π = 3.14 (the exercise give this)
  • r = Circle radius.

How you can see, in the picture gives you a straight line that passes through the circle side by side, the circle radius is half of that value, then:

  • r = 28.4 mm / 2
  • <u>r = 14.2 mm</u>

Now, we can replace the values in the first formula:

  • Surface area of a circle = π * r^{2}
  • Surface area of a circle = 3.14 * (14.2 mm) ^{2}
  • Surface area of a circle = 3.14 * 201.64 mm^{2}
  • Surface area of a circle = 633.1496 mm^{2}
  • Surface area of a circle = 633.1 mm^{2} (rounded to the nearest tenth).

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