Practice problem
Point PPP is at (0,0)(0,0)(0,0). Point QQQ is at (0,1)(0,1)(0,1). Point RRR is at (5,1)(5,1)(5,1). ∠PQR\angle PQR∠PQR is
Acute
Right
Obtuse
Type a concept, like “slope” or “photosynthesis”.