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18. The perimeter of the given triangle is 36 cm.
Find the value of x.




18 The Perimeter Of The Given Triangle Is 36 Cm Find The Value Of X class=

Sagot :

Answer:

x = 7

Step-by-step explanation:

(x+2)+(3x-9)+(2x+1) = 36

6x - 6 = 36

6x = 42

x = 7