A) 25 cm
B) 20 cm
C) 22 cm
D) 18 cm
Correct Answer: A
Solution :
\[x+y=10\text{ }cm\] ?...(i) \[y+z=12cm\] ?..(ii) \[x+z=28cm\] .....(iii) Adding (i), (ii) and (iii), we get \[2(x+y+z)=50\] \[\Rightarrow \] \[x+y+z=25\]You need to login to perform this action.
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