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1) Find the perimeter of a triangle whose sides are x.x + 1 and x + 2, respectively,
B. x + 3
С 3х - 3
D. x3-3​


Sagot :

Answer:

3x+3

Step-by-step explanation:

side a = x

side b= x+1

side c = x+2

perimeter = side (a+b+c)

perimeter = x + (x+1) + (x+2)

perimeter = 3x+3