Theorem 7.8 : The sum of any two sides of a triangle is greater than the third side.
Text Solution
Verified by Experts
In `/_\ACD`
`AD=AC`
Thus, `/_1=/_2`
Now,
`/_BCD=/_BCA+/_1`
`/_BCD=/_BCA+/_2`
`/_BCD>/_2`
...
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