jiandyurena jiandyurena
  • 17-03-2022
  • Mathematics
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Find the length of each side of the given triangle if the perimeter is 30 cm show all work

Find the length of each side of the given triangle if the perimeter is 30 cm show all work class=

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swetaroka16
swetaroka16 swetaroka16
  • 17-03-2022

Answer:

7cm , 11 cm , 12 cm

Step-by-step explanation:

perimeter = 30 cm

3x - 2 + 2x + 5 + 4x = 30

9x + 3 = 30

9x = 30-3

X = 27/9

X = 3

so 3x - 2 = 3 × 3 - 2 = 7 cm

2x + 5 = 11 cm

4x = 12 cm

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