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3 years ago

Please help!! I have no clue how to do this

Mathematics

2 answers:

devlian [24]3 years ago

3 0

Answer:

Step-by-step explanation:

you need the arc length formula .. do you have it?

s = r ∅

s is the arc length in radians but you can make it in degrees just by

using s = 2πr (θ/360)

the angle is 180 for the picture.

so the arc length is just $\pi$ r

r= 4

$\pi$ *4 = 12.56637.... approx

anygoal [31]3 years ago

3 0

Answer:

s is the arc length in radians but you can make it in degrees just by

using s = 2πr (θ/360)

angles 180 for the picture.

arc length is just r

r= 4

4 = 12.5

Step-by-step explanation:

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