Question

Find the lengths of the sides of the triangle PQR. (a) P(4, −1, −3), Q(8, 1,...

Find the lengths of the sides of the triangle PQR. (a) P(4, −1, −3), Q(8, 1, 1), R(2, 3, 1)

|PQ| =

|QR| =

|RP| =


(b)    

P(5, 1, −1),    Q(7, 3, 0),    R(7, −3, 3)

|PQ| =
|QR| =
|RP| =
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