Respuesta :

Answer:

ΔPQR is a isosceles triangle

Step-by-step explanation:

P (0,0) Q (2,0) R (1,3)

PR² = (3-0)² + (1-0)² = 10

RQ² = (3-0)² + (1-2)² = 10

PR = RQ

ΔPQR is a isosceles triangle