Question

Calcule o valor x em cada triângulo:

Answer 1

a)
sen60= 2√3/x
√3/2 = 2√3/x ==> :(√3)
1/2 = 2/x
x = 4 ✓

b)
sen60 = x/2√3
√3/2 = x / 2√3
x = 2√3. √3/2 = 2√9/2 = √9= 3 ✓

c)
cos30 = 2√3/x
√3/2 = 2√3/x ===> :(√3)
1/2 = 2/x
x = 4 ✓