Question

Quanto vale 10√3 × sen 60°?

Answer 1

10√3 * √3/2 =  10 * 3 / 2 = 5 * 3 = 15 

*-*-*-*-*-*-*-*-*-*-*-*
09/10/2016
Sepauto 
*-*-*-*-*-*-*-*-*-*-*-*