Find the area of a circle with a radius of 3

3start color purple, 3, end color purple.

Either enter an exact answer in terms of

π

πpi or use

3.14

3.143, point, 14 for

π

πpi and enter your answer as a decimal.

The area is 9π unit squared ( in terms of π)

Step-by-step explanation:

From the equation for area of a circle, A = πr²

Where A is the area of the circle

r is the radius of the circle

From the question, the radius, r of the circle is 3

r = 3

Therefore, the Area of the circle is given by

A = π × (3)²

A = π×3×3

A = 9π unit squared ( in terms of π)

Hence, the area is 9π unit squared

OR

Since π is given as 3.14

Then,

A = 3.14 × (3)²

A = 3.14 × 3 × 3

A = 28.26 unit squared

Hence, Area is 28.26 unit squared (in decimal)

The area is 9π unit squared ( in terms of π)

Step-by-step explanation:

From the equation for area of a circle, A = πr²

Where A is the area of the circle

r is the radius of the circle

From the question, the radius, r of the circle is 3

r = 3

Therefore, the Area of the circle is given by

A = π × (3)²

A = π×3×3

A = 9π unit squared ( in terms of π)

Hence, the area is 9π unit squared

OR

Since π is given as 3.14

Then,

A = 3.14 × (3)²

A = 3.14 × 3 × 3

A = 28.26 unit squared

Hence, Area is 28.26 unit squared (in decimal)

Step-by-step explanation:

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