Question
The diameter of a circle is 6 cm. Find its area to the nearest whole number.
Answers
Answered by
GPT 3.5
To find the area of a circle, we use the formula:
A = πr^2
Given that the diameter of the circle is 6 cm, we can find the radius by dividing the diameter by 2:
r = 6 cm / 2 = 3 cm
Now, we substitute the radius into the formula:
A = π(3 cm)^2
A = π(9 cm^2)
A ≈ 28.27 cm^2
Rounded to the nearest whole number, the area of the circle is 28 cm^2.
A = πr^2
Given that the diameter of the circle is 6 cm, we can find the radius by dividing the diameter by 2:
r = 6 cm / 2 = 3 cm
Now, we substitute the radius into the formula:
A = π(3 cm)^2
A = π(9 cm^2)
A ≈ 28.27 cm^2
Rounded to the nearest whole number, the area of the circle is 28 cm^2.
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