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radius question

* answers listed on pic but I just need a step by step explanation *

radius question answers listed on pic but I just need a step by step explanation class=

Respuesta :

Hrishii

Step-by-step explanation:

Let A(x) be the area function of given rectangle.

Radius of circle = 7x

Therefore, length of rectangle = 14x

Width of rectangle = 7x

[tex] \therefore \: A(x) =l\times w \\ = 14x \times {(7x)} \\ =98x^2 \\ \huge \red{ \boxed{ \therefore \: A(x) =98 {x}^{2} }} [/tex]

Let P(x) be the Perimeter function of given rectangle.

[tex] P(x) =2(l + w) \\= 2(14x + 7x)\\

=2\times 21x\\

= 42x\\

\huge \red{ \boxed{ \therefore \:P(x)= 42x}}[/tex]

Good morning ☕️

Answer:

A. A(x) = 98x²

B. P(x) = 42x

Step-by-step explanation:

Consider L the length of the rectangle and w its width

then according to the figure L = 7x + 7x = 14x and w = 7x

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A. A(x) = L × w = 14x × 7x = 98x²

_________________________

B. P(x) = 2×(L + w) = 2×(14x + 7x) = 2×(21x) = 42x

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:)

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