8. Three sides of a triangle are ( 3a - 7b + 8c ) cm, ( a-9b + 10c ) cm &( -9 a+ 86-11c) cm Find the
perimeter of the triangle.
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Answer:
Step-by-step explanation:
3a-7b+8c+a-9b+10c-9a+8b-11c
=-5a-8b+7c
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