MaddyNoir MaddyNoir

12-03-2021
Mathematics

contestada

The circumference covered by a radar signal can be represented by the expression 400π miles. What is the approximate length of the radius of this circumference?
A 20 miles
B 200 miles
C 127 miles
D 40 miles

Respuesta :

Khar2020 Khar2020

12-03-2021

Answer:

127 if it says to use 3.14, 200 if it does not ask to use 3.14

Step-by-step explanation:

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

Substitute C for 400

400=2*r

400=2r

divided both sides by 2

Answer is 200

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james8169 james8169

12-03-2021

The answer should be 200

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