Respuesta :

Zonepax
6/3 units

Y^2=(6+3)^2 - 6^2
choixongdong
UT = sqrt(6^2 - 3^2)
UT = sqrt(36 - 9)
UT = sqrt(27)

y = sqrt[(9^2 + (sqrt(27))^2]
y = sqrt(81 + 27)
y = sqrt (108)
y = 6 sqrt(3)

answer is B.  6 sqrt(3) second choice



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