Respuesta :

Eyadaqrabawi

Answer:

[tex] r = \sqrt[2]{ \frac{a}{3} } [/tex]

b -

[tex] \sqrt{ \frac{300}{3} } = \sqrt{100} = 10[/tex]

bestpro24

Answer:

r = [tex]\sqrt{\frac{a}{3}}[/tex]

Step-by-step explanation:

1. A = 3r²

(Divide 3 by both sides)

2. A/3 = r²

(Square root both sides)

√A/3 = r

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