Question

find perimeter of triangle with sides 5a-3b, 3a plus 2b and 5b-2a

Answer 1

equation of perimeter of a triangle = a + b + c

a = 5a - 3b

b = 3a + 2b

c = 5b - 2a

= 5a - 3b + 3a + 2b + 5b - 2a

= 5a + 3a - 2a - 3b + 2b + 5b

= 6a - 4b

perimeter of triangle is 6a - 4b

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Answer 2

perimeter of a triangle= sum of all SIDE

p=(5a-3b)+(3a+2b)+(5b-2a)

p=5a-3b+3a+2b+5b-2a

p=6a-4b