SOLUTION: If A B=10, B C=12 and A C=15 .what is the value of A ?

Question 914529: If A B=10, B C=12 and A C=15 .what is the value of A ?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
Re TY '+' didn't come thru :), Principle the same...
A+B = 10 0r A = 10-B
B+C = 12 0r C = 12-B
A+C = 15
(10-B) + (12-B) = 15
22-2B = 15
7 = 2B, B = 3.5 , A = 6.5 , C = 8.5
.............
AB = 10 0r A = 10/B
BC = 12 0r C = 12/B
AC = 15
= 15
= B^2
B^2 = 8
B = � = �
B = � 2√2
A = 10/B = � = �
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