Question

Evaluate C= 2 A r, for r= 8.
C=10,
C = 16
C= 28.7
C= 16​

Answer 1

Answer: Second Option

$C = 16\pi$

Step-by-step explanation:

We are evaluating aarco lengths

The formula for the arc length is:

$C = 2\pi r$

We want to know what is the arc length for a radius of r = 8

Then we substitute r = 8 in the equation and solve

$C = 2 \pi * 8$

$C = 16\pi$

The correct answer is the second option

Answer 2

Answer:

Correct choice is $C=16 \pi$.

Step-by-step explanation:

Given equation is $C=2 \pi r$.

Now we need to find the value of C using given equation $C=2 \pi r$ and $r=8$.

To find that, we just need to plug $r=8$ into $C=2 \pi r$ and simplify.

$C=2 \pi r$

$C=2 \pi \times 8$

$C=16 \pi$

Hence correct choice is $C=16 \pi$.