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Firdavs [7]
3 years ago
6

The circumference covered by a radar signal can be represented by the expression 400π miles. What is the approximate length of t

he radius of this circumference?
A 20 miles
B 200 miles
C 127 miles
D 40 miles
Mathematics
2 answers:
goldfiish [28.3K]3 years ago
8 0

Answer:

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

Step-by-step explanation:

C=2\pi r

Substitute  C for 400

400=2*r

400=2r

divided both sides by 2

Answer is 200

Rus_ich [418]3 years ago
7 0
The answer should be 200
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