Question

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28 cm
Estimate the area of the circle. Use 3.14 or 22/7 for ^.

Answer 1

[AI-generated answer — Bot]

To estimate the area of the circle, we need to use the formula:

A = πr^2

where A is the area of the circle, π (pi) is a mathematical constant which is approximately equal to 3.14 or 22/7, and r is the radius of the circle.

Here, we are given the diameter of the circle which is 28 cm. The radius of the circle is half the diameter, so we can find it as:

r = d/2 = 28/2 = 14 cm

Now, substituting the value of r in the formula, we get:

A = πr^2 = π(14)^2 = 616π or 1936 cm^2 (approx)

Therefore, the estimated area of the circle is 616π or 1936 cm^2 (approx).