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Mathematics 20 Online
OpenStudy (anonymous):

Find the length of side GF A. 5.75 B. 6.5 C. 13 D. 42.72

OpenStudy (anonymous):

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

9.4*2 - 6.8^2 = GF^2

OpenStudy (anonymous):

6.48, or B 6.5

OpenStudy (anonymous):

IM NOT SURE... do you kow?

OpenStudy (anonymous):

.... answer choice B 6.5

OpenStudy (anonymous):

is that the correct answer?

Directrix (directrix):

>9.4*2 - 6.8^2 = GF^2 Should be 9.4^2 - 6.8^2 = GF^2

OpenStudy (anonymous):

oo typo.

OpenStudy (anonymous):

so my answer should be 6.8?

OpenStudy (anonymous):

\[9.8^2 - 6.4^2 = ?? \]

OpenStudy (anonymous):

55.08

OpenStudy (anonymous):

square root of that is your answer.

OpenStudy (anonymous):

now what?

OpenStudy (anonymous):

ahhh jeeze i am so bad with typos. make it 6.8 not 6.4

OpenStudy (anonymous):

\[9.4^2-6.8^2 =(??)^2 \]

Directrix (directrix):

9.4^2 = 6.8^2 + x^2

Directrix (directrix):

x^2 = 42.12 approx 36< 42.12 < 49 Answer is between 6 and 7

Directrix (directrix):

@katlin95 Which answer is it?

OpenStudy (anonymous):

I got 6.5 like beofre

Directrix (directrix):

That is what I got.

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