Question

If the Co-ordinate of point P is x , and that of Q is y , if x=-9, and y=12 Then d(P Q)=----?​

Answer 1

Step-by-step explanation:

P = (9, 0)

Q = (0, 12)

distance between P and Q is

=square root of (0-9)^2 + (12-0)^2

=square root of 81+144

=square root of225

=15 units