3 years ago

I need help with both of them I'm confused...

Mathematics

2 answers:

mr_godi [17]3 years ago

6 0

Answer:

8) d

9) a

Step-by-step explanation:

8) C = d ·π

36 = d ·π

36 / π = d

9) 4π is the difference, which is 12.56

irga5000 [103]3 years ago

5 0

The first question is a and the second is a

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3 years ago

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3 years ago

I have no clue to what I even need to do.

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$\bf \textit{arc's length}\\\\ s=r\theta ~~ \begin{cases} r=radius\\ \theta =angle~in\\ \qquad radians\\ \cline{1-1} \theta =\frac{3\pi }{2}\\ s=\frac{5\pi }{2} \end{cases}\implies \cfrac{5\pi }{2}=r\cdot \cfrac{3\pi }{2}$

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