Question

the perimeter of a triangle is 6a+5b-2c. if two sides are a-b+6c and 3a+6b-10c,find the third side ​

Answer 1

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Answer 2

perimeter of triangle is =sum of all three sides

perimeter=6a+5b-2c

we have two sides given 1 and 2

=(a-b+6c)+(3a+6b-10c)

=4a+5b-4c

now we have to find 3 side=

perimeter-sum of two sides

(6a+5b-2c)-(4a+5b-4c)=2a+2c