pls answer it fast please find the answer
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Answer:29
Step-by-step explanation:
Answered by
1
Step-by-step explanation:
given a+b+c=10--eq1
a^2+b^2+c^2=26
square eq1
(a+b+c)^2= 10*10
a^2+b^2+c^2+2ab+2bc+2ac=100
26+2ab+2bc+2ca=100
2(ab+bc+ca)=100-26=74
ab+bc+ac=74/2
ab+bc+ac=37
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