he √ symbol is called the ___________________. The number or expression beneath the √ symbol is called the ___________________.
1 answer:
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Circumference = 2 
r
42 = 2 r
42/(2) = r
21/ = r
Area = r²
= (21/)²
= 21²/
= 140.37
≈ 140.4
Answer: A
42 = 2
42/(2
21/
Area =
=
= 21²/
= 140.37
≈ 140.4
Answer: A