Geometry and Trigonometry practice question

Answer: 12.56

3.14 × 2² = 12.56.

Common wrong answers

If you answered 6.28

6.28 uses 2r instead of r².

If you answered 25.12

25.12 uses (2r)².

If you answered 12.57

12.57 rounds with the exact π, but the question asks for 3.14.

More Geometry and Trigonometry questions

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