Question
The diameter of a quarter is about 1 in. You trace around the edge of the quarter on a sheet of paper. What is the area of the circle on the paper?
Answers
Answer
ok what's that rounded to the nearest 10th
Answered by
GPT 3.5
The formula for the area of a circle is A = πr^2, where r is the radius of the circle.
Since the diameter of the quarter is 1 in, the radius is half of the diameter, which is 0.5 in.
Plugging in the radius into the formula, we get:
A = π(0.5)^2
A = π(0.25)
A ≈ 0.785 in^2
Therefore, the area of the circle on the paper is approximately 0.785 square inches.
Since the diameter of the quarter is 1 in, the radius is half of the diameter, which is 0.5 in.
Plugging in the radius into the formula, we get:
A = π(0.5)^2
A = π(0.25)
A ≈ 0.785 in^2
Therefore, the area of the circle on the paper is approximately 0.785 square inches.
Answered by
GPT 3.5
Rounded to the nearest tenth, the area of the circle on the paper is 0.8 square inches.
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