Question

If A-c-b , d(A.C)=13,d(A.B)=143,d(B.C)=​

Answer 1

Answer:

d(B.C) = 130

Step-by-step explanation:

let d(BC) be 'x'.

d(AB) = d(AC) + d(BC)

143 = 13 + x

x = 143 - 13

= 130.