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Sagot :
To find the area of a circle with a radius of 3, we use the formula for the area of a circle:
[tex]\[ \text{Area} = \pi \times r^2 \][/tex]
In this formula, [tex]\( r \)[/tex] is the radius of the circle. Given that the radius [tex]\( r = 3 \)[/tex], we substitute this value into the formula. Additionally, we are instructed to use [tex]\( \pi = 3.14 \)[/tex] for the calculation.
[tex]\[ \text{Area} = 3.14 \times 3^2 \][/tex]
First, we need to calculate [tex]\( 3^2 \)[/tex]:
[tex]\[ 3^2 = 3 \times 3 = 9 \][/tex]
Next, we multiply this result by [tex]\( 3.14 \)[/tex] to find the area:
[tex]\[ \text{Area} = 3.14 \times 9 \][/tex]
Now, we perform the multiplication:
[tex]\[ 3.14 \times 9 = 28.26 \][/tex]
So, the final area of the circle is:
[tex]\[ \boxed{28.26} \][/tex]
[tex]\[ \text{Area} = \pi \times r^2 \][/tex]
In this formula, [tex]\( r \)[/tex] is the radius of the circle. Given that the radius [tex]\( r = 3 \)[/tex], we substitute this value into the formula. Additionally, we are instructed to use [tex]\( \pi = 3.14 \)[/tex] for the calculation.
[tex]\[ \text{Area} = 3.14 \times 3^2 \][/tex]
First, we need to calculate [tex]\( 3^2 \)[/tex]:
[tex]\[ 3^2 = 3 \times 3 = 9 \][/tex]
Next, we multiply this result by [tex]\( 3.14 \)[/tex] to find the area:
[tex]\[ \text{Area} = 3.14 \times 9 \][/tex]
Now, we perform the multiplication:
[tex]\[ 3.14 \times 9 = 28.26 \][/tex]
So, the final area of the circle is:
[tex]\[ \boxed{28.26} \][/tex]
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