if P-Q-R and d ( P,Q ) =4.4 , d(Q, R ) = 6.7 , then d (P, R )=?
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2
Answer:
11.1
Step-by-step explanation:
d(P,R)=d(P,Q)+d(P,R)
d(P,R)=4.4+6.7
d(P,R)=11.1
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