4.472 Rounded to the tenth
2 answers:
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Answer:
<h2>C ≈ 12.56 m, A ≈ 12.56 m²</h2>Step-by-step explanation:
The formula of a perimeter (circumference) of a circle:
<em>d</em> - diameter
The formula of an area of a circle:
<em>r</em> - radius
We have <em>d = 2r = 4m → r = 2m.</em>
<em>Substitute:</em>
<em>Use π ≈ 3.14</em>
Hi there!
First we want to get rid of the parentheses.
Now we collect terms on both sides of the equation
Since both sides of the equation are the same, every number is a correct solution to this equation. (Whatever number you choose to fill in will be correct).
First we want to get rid of the parentheses.
Now we collect terms on both sides of the equation
Since both sides of the equation are the same, every number is a correct solution to this equation. (Whatever number you choose to fill in will be correct).