Question

What is the distance between points (-42, 63) and (-39, 67)?

Answer 1

Use the formula:


`A(x_A;\ y_A);\ B(x_B;\ y_B)\\\\|AB|=√((x_B-x_A)^2+(y_B-y_A)^2)`

We have:


`A(-42;\ 63);\ B(-39;\ 67)`

substitute:


`|AB|=√((-39-(-42))^2+(67-63)^2)=√(3^2+4^2)\\\\=√(9+16)=√(25)=5`