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OpenStudy (anonymous):
If X = 4.5 cm and Z = 7.5 cm, what is the length of Y? a.7.5 cm b.6 cm c.4.5 cm d.36 cm
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OpenStudy (anonymous):
OpenStudy (hoblos):
use the theorem : z^2 = x^2 + y^2 y^2 = (7.5)^2 - (4.5)^2 = 36 so y=6
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