Question

calcule o cumprimento do lado maior do paralelogramo A(1;2),B(3;8),C-2;8) e D(-4;2)

Answer 1

d (AB)= v (3-1)^2+(8-2)^2=v 40=2v10
d (ac) = v(1-2)^2+(2-8)=v(1+36)=v37 raiz de 37
m (x,y)
x= (1-2)/2= -1/2
y=(2+8)/2=5
m(-1/2,5)