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NNADVOKAT [17]
3 years ago
10

What is the area of a circle with a diameter of 20 inches if

="\pi" alt="\pi" align="absmiddle" class="latex-formula">
=3.1415​
Mathematics
1 answer:
Anarel [89]3 years ago
5 0

$\sf\underline\bold\blue{Information\:given\:in\:the\:question:}$

  • π =\sf{ 3.1415}
  • $\sf{Diameter = 20inches}$

$\space$

$\sf\underline\bold\blue{What\:we\:have\:to\:find?}$

  • $\sf{Area\:of\:the\:circle.}$

$\space$

$\sf\underline\bold\blue{Answer:}$

  • $\sf\small{Area\:of\:the\:circle\:is : 314.15}$

$\space$

$\sf\underline\bold\blue{Calculations:}$

Here we have the value of the circle's diameter that is 20inches. So, first we have to calculate the radius of the circle using the formula :

$\mapsto$ $\sf\bold{Radius=}$ $\sf\dfrac{Diameter}{2}$

$\space$

$\sf\underline\bold\blue{Calculating\:the\:required\:values:}$

$\mapsto$ $\sf\bold{Radius=}$ $\sf\dfrac{20}{2}$

$\sf{Convert \: to \: the\:lowest\:term(Divide),}$

$\mapsto$ $\sf\underline\bold{Radius=10}$

☆Now we know the value of the radius . So now let's calculate the area of the circle.

$\space$

$\sf\bold{Area\:of\:circle:}$ π$\sf{ r \: ^{2} }$

$\sf\bold{Evaluating \: the\:required\:values:}$

$\sf\bold{Area\:of\:circle=3.1415(10)^2}$

$\space$

$\sf\bold{Area\:of\:the\:circle=3.1415\times10\times10}$

$\sf\bold{Now,}$

$\sf\bold{Area\:of\:the\:circle:3.1415\times100}$

$\space$

$\sf\underline\bold\green{Thus,Area\:of\:the\:circle\: is \: 314.15}$

____________________________

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