Identify the triangle PQR as an isosceles (two sides of equal length), equilateral (three sides of equal length), or scalene (three sides of different lengths) triangle.P(13, -13), Q(-13, 13), R(-13
, -13
)
A. Scalene
B. Right
C. Isosceles
D. Equilateral
Answer: D
Mathematics
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A. 
B. 
C. 
D. 
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