Asked by micro
Find the area of a circle with a diameter of 40 cm. Use 3.14 for π and express your answer to the tenths place. Use the formula sheet provided. (1 point) Responses 1,256 cm2 1,256 cm2 5,024 cm2 5,024 cm2 125.6 cm2 125.6 cm2 62.8 cm2
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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 is 40 cm, the radius is half of that, which is 20 cm.
Now, we can plug in the values into the formula:
A = 3.14 * (20)^2
A = 3.14 * 400
A = 1256 cm^2
Therefore, the area of the circle with a diameter of 40 cm is 1256 cm^2. So the answer is 1,256 cm2.
Now, we can plug in the values into the formula:
A = 3.14 * (20)^2
A = 3.14 * 400
A = 1256 cm^2
Therefore, the area of the circle with a diameter of 40 cm is 1256 cm^2. So the answer is 1,256 cm2.
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