Question

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Answer 1

11 - 

$Tan(50^0)= \frac{cateto oposto}{cateto adjacente} \\ \\ 1,2= \frac{x}{26} \\ \\ x=1,2*26 \\ \\ x=31,2$

Agora some os 31,2 m + 1,5  = 32,7

12 - 
a)

6*6*6*6*6*6= 46.656

b)
6*5*4*3*2*1= 720

c)3*6*6 = 108