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I need to know if it’s A B C Or D

I Need To Know If Its A B C Or D class=

Sagot :

Given:

[tex]d_1=1,d_2=2r[/tex]

The circumference of the circle is given as,

[tex]C=2\pi r[/tex]

For the circle B, the circumference is given as,

[tex]\begin{gathered} C_B=\pi\cdot d_2_{}=2\pi r \\ It\text{ can also be written as,} \\ \frac{1}{2r}=\frac{\pi}{C_B} \end{gathered}[/tex]

Answer: option a)