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Avva
 2 years ago
Best ResponseYou've already chosen the best response.1the perimeter of a triangle equals the summation of it sides ,, right??

Avva
 2 years ago
Best ResponseYou've already chosen the best response.1so all what will you do is that : (5x7) + (4x4) + (13x ) = 38 and you can calculate the value of x :D

marmar
 2 years ago
Best ResponseYou've already chosen the best response.0I dont know how to do that

Avva
 2 years ago
Best ResponseYou've already chosen the best response.1you will add like terms (5x+4xx) + (74+13) = 38 8x + 2 = 38 8x = 38  2 8x =36 x = 36/8 x = 4.5 you got it now??
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