Question

Um triangulo equilatero possui area de 16 raizde3 cm^2 .Determine a medida do lado desse triangulo

Answer 1

b=lado h=(lado√3)/2

(b.h)/2=16√3
(b.b√3/2)/2=16√3
(b.b√3)/4=16√3
b.b√3=64√3
b.b=64
b=8