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$1.) {:[A=3.14//pi × r2],[=D-14cm],[=r-7cm],[=pi(7)2],[=49 picm2],[=49(3.14)],[=49 ×49=_cm2" (edited) "]:} Your answer:$

$1$ .) $\newline$ $\begin{aligned} A & =3.14 / \pi \times r 2 \\ & =D-14 \mathrm{~cm} \\ & =r-7 \mathrm{~cm} \\ & =\pi(7) 2 \\ & =49 \pi \mathrm{cm} 2 \\ & =49(3.14) \\ & =49 \times 49=\_\mathrm{cm} 2 \text { (edited) } \end{aligned}$ $\newline$ Your answer:

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Convert between repeating decimals and fractions

Full solution

Q.

1

.)

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\begin{aligned} A & =3.14 / \pi \times r 2 \\ & =D-14 \mathrm{~cm} \\ & =r-7 \mathrm{~cm} \\ & =\pi(7) 2 \\ & =49 \pi \mathrm{cm} 2 \\ & =49(3.14) \\ & =49 \times 49=\_\mathrm{cm} 2 \text { (edited) } \end{aligned}

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Your answer:

Calculate Circle Area: Calculate the area of a circle using the formula $A = \pi \times r^2$ where $r$ is the radius of the circle. Given $r = 7$ cm, we plug it into the formula. $\newline$ $A = \pi \times (7\,\text{cm})^2$ $\newline$ $A = \pi \times 49\,\text{cm}^2$
Find Area: Multiply $49 \, \text{cm}^2$ by $\pi$ (approximated as $3.14$ ) to find the area. $\newline$ $A = 49 \, \text{cm}^2 \times 3.14$ $\newline$ $A = 153.86 \, \text{cm}^2$

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