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OpenStudy (tvinsant):
PLEASE HELP WILL FAN AND MEDAL :) Find the missing length in the triangle below.(Look at next comment for the picture) a. sqrt14 b. 2sqrt21 c. 2sqrt29 d. 6
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OpenStudy (tvinsant):
Directrix (directrix):
Same type problem as before. Recall the Pythagorean Theorem.
OpenStudy (tvinsant):
oh.. um. whats the square root of 84?
Directrix (directrix):
You have to simplify sqrt(84)
Directrix (directrix):
What are two factors of 84
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OpenStudy (tvinsant):
um. 9.17?
OpenStudy (tvinsant):
sorry. idk.
Directrix (directrix):
You took the square root and got an approximation.
Directrix (directrix):
84 = 2 times what number
OpenStudy (tvinsant):
42?
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OpenStudy (tvinsant):
sorry wrong
Directrix (directrix):
84 = 2 * 42 ----------- 42 = 2 times what? --->
OpenStudy (tvinsant):
21
OpenStudy (tvinsant):
oh.... okayy... so its 2sqrt21
Directrix (directrix):
84 = 2 * 2 * 41
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Directrix (directrix):
|dw:1423084783428:dw|
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