anna207
anna207
15-06-2017
Mathematics
contestada
What's the sum of Q I need a lot of help
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Allsha
Allsha
15-06-2017
Phytagoras
20² = 4² + Q²
Q² = 20² - 4²
Q² = 400 - 16
Q = √384
Q = √64 x 6
Q = 8 √6
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