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12. What is the length of the radius of a circle whose area is 100x?

A. 5
B. 10
C. 20
D. 25

User Mackshkatz
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1 Answer

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Answer:

A.5

Explanation:

d=2 sqare root Area÷pi

d=11.2 ÷2

radius = 5

User Simon Corcos
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