Question

find the value values of (a) such that PQ=QR, where P, Q and R are the points whose coordinates are (6, -1), (1, 3) and (a, 8) respectively.
plz answer me....

Answer 1

Step-by-step explanation:

PQ=QR

$\sqrt{(x2 - x1)^{2} } + (y2 - y2) ^{2} = \sqrt{(x3 - x2)^{2} } + (y3 - y2)^{2}$