Question

Observe the figure and answer the question​

Answer 1

Step-by-step explanation:

(3) The answer is 2 unit.

Answer 2

Answer:

$d = \sqrt{(x _{2} - x _{1} ) {}^{2} + (y _{ 2} - y _{1} ) {}^{2} } \\ = \sqrt{(0 - 0) {}^{2} + (y _{2} - y _{1}) {}^{2} } \\ = y _{2} - y _{1}$

hope it helps