Question

Se d= n(n-3)/2 calcule o valor de d para n=10.

Answer 1

d = n(n-3)/2
d = 10(10-3)/2
d = 100-30/2
d = 70/2 
d = 35

Answer 2

Se n = 10, então: d = 10(10-3)/2. d = 5.7 d = 35.