math479
math479 math479
  • 07-09-2017
  • Mathematics
contestada

find the value of x for the triangle or rectangle... plz help asap 4 both

find the value of x for the triangle or rectangle plz help asap 4 both class=

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mergl
mergl mergl
  • 07-09-2017
9.) Perimeter=23
23=x+x+3+2x
23=4x+3
23-3=4x
20=4x
20/4=x
x=5
10.) Perimeter=24
24=x+3+2x+x+3+2x
24=6+6x
24-6=6x
18=6x
18/6=x
x=3
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