$\bf \textit{area of a circle}\\\\ A=\pi r^2~~ \begin{cases} r=radius\\ \cline{1-1} A=452\frac{4}{7} \end{cases}\implies 452\frac{4}{7}=\pi r^2\implies \cfrac{3168}{7}=\pi r^2 \implies \cfrac{3168}{7\pi }=r^2 \\\\\\ \stackrel{\pi =\frac{22}{7}}{\cfrac{3168}{7\cdot \frac{22}{7}}}=r^2\implies \cfrac{3168}{22}=r^2\implies 144=r^2\implies \sqrt{144}=r\implies 12=r \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ ~\hfill \stackrel{diameter=2r}{d=24}~\hfill$

6 0

3 years ago

Matt bought 8 pie molds at a cost of $0.67 per mold. He also bought 8 pre-

kupik [55]

Answer:

$5.36

Step-by-step explanation:

multiply 8 by .67

6 0

3 years ago

Please help this is due in tomorrow!!

Nataly_w [17]

Answer:it would be 15cm^2 I think

Step-by-step explanation:

7 0

4 years ago

Nathan made an error when he used

Setler [38]

Answer:

Sorry but this makes no scine sorry

8 0

3 years ago