Question 363604
<pre><font size = 3 color = "indigo"><b>
Hi, 
a. A(0,3)B(0,7)  length 0f AB = 4
b. A(0,3)B(4,0)   length of AB = 4^2 + 3^2 = 16+9 =25 = AB^2, Length of AB = 5
 
{{{drawing(500, 500, -10, 10, -10, 10,
line(0,3,0,7),
line(0,3,4,0),
locate(0.3,3.4,"A"),
locate(0.3,7.4,"B"),
locate(4.3,0.1,"B"),grid(1),
graph( 500, 500, -10, 10, -10, 10
 ))}}}