Question

If A - B - C and d(A,C) = 19, d(B,C) = 9.5 then d (A,B) = ? 
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Answer 1

Answer:

(A,B) = 9.5

Step-by-step explanation:

A-B-C are collinear points .

( A,C ) = 19

(B, C) = 9.5

l(A, B) + l(B,C) = l(A,C)

l(A,B) + 9.5 = 19

l(A,B) = 19- 9.5

l(A,B) = 9.5